updated ignore file (cmake and other temp files)

.gitignore

+#
+# files and filetypes that should get ignored by git should get added here
+#
+
+#
 # libraries:
+#
 lib/*
 
+#
 # binaries:
+# (add project specific filenames here)
+# 
 
+#
+# IDE files:
+# QT creator:
+#
+*.user
 
-# temp files:
+#
+# build files
+#
+build/*
 *.o
+
+#
+# temp cmake files:
+#
+cmake_install.cmake
+CMakeCache.txt
+CMakeFiles
+Makefile
+*.cbp
+
+#
+# OS specific temp files:
+#
 *~
 .directory
 .DS_Store