Fix tab issue in Gemfile; Upgraded 7 gems by rebuilding Gemfile.lock file
Merge pull request #139 from jasnow/master

Fix tab issue in Gemfile; Upgraded 5 gems by rebuilding Gemfile.lock fil...
Upgraded 4 gems by rebuilding Gemfile.lock file
Merge pull request #141 from jasnow/master

Upgraded 4+ gems by rebuilding Gemfile.lock file