Code cleanup: spelling correction


git-svn-id: https://svn.blender.org/svnroot/bf-blender/trunk@60136 954f8c5b-7b00-dc11-b283-0030488c597c
minor style clanup and use more meaningful name for 3DCONNEXION source code.


git-svn-id: https://svn.blender.org/svnroot/bf-blender/trunk@60139 954f8c5b-7b00-dc11-b283-0030488c597c
OSX/cmake: don't try get xcode path from xcode before 4.3, developer dir was not bundled in this case

git-svn-id: https://svn.blender.org/svnroot/bf-blender/trunk@60140 954f8c5b-7b00-dc11-b283-0030488c597c