Submodule GitExtensionsDoc updated

Submodule GitExtensionsDoc:
    > 2b99b9a - Revision Links. Closes #51.
    > 0a014fb - Updated build server integration description.
    > 1efb0ad - Add 'quick search' and 'go to commit' to Browse Repository
    > ace7cce - Minor corrections to Browse Repository
    > 5af2f5f - Update settings.png.
    > 492d385 - Add documentation for Build server integration settings.
GitCred path selecting fixed
Renamed file diff in FormCommit fixed
Translation updated
Version updated
Minor changes
Change log updated
Submodule GitExtensionsDoc updated

Submodule GitExtensionsDoc:
    > f710c60 - 'Discard' button is no longer present.