Merge pull request #42 from rimerosolutions/41_gitrelease_plugin_fix

Fixed exception when there's no remote git origin.

Merge branch 'release/specify-version-number-system-property' into develop

Clean up documentation

Change version for next release (1.15 --> 1.16)

Cannot use `...` twice on one line

Update documentation with configuration options

Specify version number with -Drelease.version

Remove dynamic properties by adding ext.

Use gradlew for building

Only sign pom when uploading archives

Must search upwards in the file tree for .git dir

Fix link to Travis' status image

Merge branch 'release/replace-native-git-with-jgit' into develop

Upgrade version (1.14 -> 1.15) for new release