.gitignore: add .project & .cproject for eclipse users

For eclipse users, .project is always created inside the project.
For users of CDT within Eclipse, add also .cproject, thanks Dirk
Feytons.

Signed-off-by: Catrinel Catrinescu <cc@80211.de>

.gitignore

@@ -25,3 +25,5 @@ key-build*
 .emacs.desktop*
 TAGS*~
 git-src
+.project
+.cproject