Fixing issue where adding a Favorite Pipeline when right clicking on an existing favorite pipeline in the library tree would fail because the path would not be correct. A folder would try to be create on the filesystem where an already existing file would be.
Refactoring some functions in the Quaternion class.
Fixing compile error on OS X 10.6.8
Updating release notes for 4.2.4815
Fixing issue where the Misorientation tolerance was being written to the pipeline file in radians which would cause issues when the value was read in again. Fixing issue where the misorientation tolerance was NOT being read from a .dream3d pipeline file.
Merge branch 'master' into m_develop