.classpath and .project files are *meant to be versioned*
As is clearly stated in the eclipse documentation.
This gitignore has lead to much confusion in SO - please ammend
I would guess the same is true for .pydevproject and .cproject but can't
be sure/do not have any references on those
Also .launch configurations are generally meant to be versioned when
saved under project location. See for instance :
http://stackoverflow.com/a/337317/281545