Only hide gitdir if the repository isn't bare

This problem was raised on the jgit list
https://dev.eclipse.org/mhonarc/lists/jgit-dev/msg02675.html

Change-Id: I8ce8a159120ce3747d31d6f012c6d2c0d0ce7917
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
Merge "Only hide gitdir if the repository isn't bare" into stable-3.5
JGit v3.5.1.201410131835-r

Change-Id: I37e049c8e81f963cfb7c17f1af91fd4245766aee
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
Prepare 3.5.2-SNAPSHOT builds

Change-Id: Ib2ccdebe80bad0b09d2d31889a3ab89d77e341f6
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
Merge branch 'stable-3.5'

* stable-3.5:
  Prepare 3.5.2-SNAPSHOT builds
  JGit v3.5.1.201410131835-r
  Only hide gitdir if the repository isn't bare

Change-Id: I171e5fb8718cb6829bb1357859c95b4a29910ac6
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>