fix edges_colored drawmode for for meshes

drawmode was rendered with empty vertex declaration

See merge request !51

assign edge colors to the correct provoking vertex

Store edge colors in the second vertex instead of the first one of each line segment. fix issue #25 

See merge request !48

optimize polyline picking

polyline nodes also generate picking ids in shaders now

See merge request !46

add CoMISo to COMISO_INCLUDE_DIR in CoMISo finder so that <Base/...> includes work



See merge request !47

Plugin align meshes



See merge request !45

- Added License headers

Merge remote-tracking branch 'Align/master' into Plugin-AlignMeshes

Icecc for gcc to speedup build times

This will use 16 processes per build, taking built times down for gcc from 45 minutes to about 3 minutes.

See merge request !44

null pointer check for getObject in datacontrol and selection plugin



See merge request !43

Added signals slot to block scenegraph updates



See merge request !42

add more search paths to CoMISo finder because config.hh location was changed



See merge request !41

only set QWT 6.1.2 ACG default search path if QT version is >= 5.5.1



See merge request !40

fix build warnings

#19 

See merge request !39