Revert "bower-json-version: removing "version" from bower.json since it is ignored and we'd have to update it per release"

This reverts commit 170a27f8ba28462f51fbe27406e0be7d03cf4da7.
Merge pull request #808 from swilliamset/revert-bower-version-removed

Revert "bower-json-version: removing "version" from bower.json since it ...