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Merge from dev/amaglim. Many fixes related to the test system. Added an interface for Ostreams and used it for the debug and test system. Also improved the checksum reports.

[git-p4: depot-paths = "//ReForm/ReForm/main/CoMISo/": change = 14067]

submission of test system improvements in the main branch. Now it is able to create a baseline for test execution.

[git-p4: depot-paths = "//ReForm/ReForm/main/CoMISo/": change = 13990]

Integrated changes to unify the CoMISo source code base from the research branch. No behavior changes. 

[git-p4: depot-paths = "//ReForm/ReForm/main/CoMISo/": change = 13637]

[git-p4: depot-paths = "//ReForm/ReForm/main/CoMISo/": change = 13619]

[git-p4: depot-paths = "//ReForm/ReForm/main/CoMISo/": change = 13583]

performance improvement in dependnent constraints remval. Repleacing original linear equality constraints with constraints taken form the R matrix of the QR factorization.

[git-p4: depot-paths = "//ReForm/ReForm/main/CoMISo/": change = 13576]

[git-p4: depot-paths = "//ReForm/ReForm/main/CoMISo/": change = 13567]

Merged changes from the research branch with fixes in QGP sanitization and motorcycle graph crash detection. See https://jira.autodesk.com/browse/REFORM-122 for more details.

[git-p4: depot-paths = "//ReForm/ReForm/main/CoMISo/": change = 13557]

[git-p4: depot-paths = "//ReForm/ReForm/main/CoMISo/": change = 13190]

Checked and adjusted CBC and Gurobi solver interfaces (and related files) to make sure all modules and apps can be build with support for them.

[git-p4: depot-paths = "//ReForm/ReForm/main/CoMISo/": change = 13033]

Replaced the ReForm::Outcome based exception object with Base/COMISO/IGM/ReForm::Error. This allow ReForm-independent compilation and usage of Base/COMISO/IGM. Also improved exception throwing in general, including safety, readibility, debugging, etc. No behavior changes.

[git-p4: depot-paths = "//ReForm/ReForm/main/CoMISo/": change = 13023]

[git-p4: depot-paths = "//ReForm/ReForm/main/CoMISo/": change = 12969]

The change use the same code that checks if DOCloud is not making progresses to  return a failure.
This can happen when IBM suspends DOCloud service for mainteinance. In such a case ReForm must terminate.

[git-p4: depot-paths = "//ReForm/ReForm/main/CoMISo/": change = 12793]

[git-p4: depot-paths = "//ReForm/ReForm/main/CoMISo/": change = 12275]

[git-p4: depot-paths = "//ReForm/ReForm/main/CoMISo/": change = 12266]

[git-p4: depot-paths = "//ReForm/ReForm/main/CoMISo/": change = 12235]

[git-p4: depot-paths = "//ReForm/ReForm/main/CoMISo/": change = 12206]

[git-p4: depot-paths = "//ReForm/ReForm/main/CoMISo/": change = 12203]

[git-p4: depot-paths = "//ReForm/ReForm/main/CoMISo/": change = 12201]

[git-p4: depot-paths = "//ReForm/ReForm/main/CoMISo/": change = 12200]

[git-p4: depot-paths = "//ReForm/ReForm/main/CoMISo/": change = 12197]

Added a timer in the function that waits for DOCloud results in order to stop DOCloud process after 6 minutes if we do not get data from the server.

[git-p4: depot-paths = "//ReForm/ReForm/main/CoMISo/": change = 12133]

[git-p4: depot-paths = "//ReForm/ReForm/main/CoMISo/": change = 12131]

DoCloud cache now store the information that a DoCloud has not been able to find a solution for a problem.

[git-p4: depot-paths = "//ReForm/ReForm/main/CoMISo/": change = 12128]

The cache is active by default and it is in folder \\camfs1\General_access\Martin_Marinov\ReForm\Cache .
The cache directory can be changed using the environment variable "ReFormCacheDir" for example 
set ReFormCacheDir \\camfs1\ASM\Users\Marco_Amagliani\reform\
Details:
 - the data defining the optimization problem (problem_data) to be sent to DoCloud are now stored in memory, not in a file.
 - these data are used to create a key_name. The cache system looks for a file key_name.lp . If it exists and the content of key_name.lp is the same as problem_data , the result of the optimization is retrieved in a file key_name.dat.
  - if the cache does not have an entry for prblem_data, the data are sent to DoCloud to be solved and then we store in key_name.lp as and key_name.dat in the cache to be reused the next time.
It is expected more than 50% improvement on test execution (when the cache data are found).

[git-p4: depot-paths = "//ReForm/ReForm/main/CoMISo/": change = 12123]

[git-p4: depot-paths = "//ReForm/ReForm/main/CoMISo/": change = 12117]

[git-p4: depot-paths = "//ReForm/ReForm/main/CoMISo/": change = 12104]

[git-p4: depot-paths = "//ReForm/ReForm/main/CoMISo/": change = 12100]

change to avoid using CBC to write the lp file in DoCloud optimization. Now the objective function, the cnstraints, and the variables are written using a new function.
This avoid an undesired dependency and will allow to add a quadratic objective function.

[git-p4: depot-paths = "//ReForm/ReForm/main/CoMISo/": change = 12097]

added the possibility to set a custom key from design interface to access to DoCloud (the IBM optimization solver).

[git-p4: depot-paths = "//ReForm/ReForm/main/CoMISo/": change = 12088]