Update gumby.tabs.js

this fixes nested tabs
Merge branch 'release/2.6.1' into develop
Update README.md

Added note about using 1.0.6 modular scale if you are installing it via a gem.
Update _entypo.scss

Replace raw glyphs with character entities
Compile Sass
Merge branch 'gmcquistin-master' into develop
Merge branch 'SeanZX85-master' into develop
Merge branch 'master' of https://github.com/lucax88x/Gumby into lucax88x-master
Compile Gumby JS
Merge branch 'lucax88x-master' into develop
Note regarding changelog in README
Bump bower.json version number
Merge branch 'release/2.6.2' into develop
Merge branch 'hotfix/2.6.3' into develop

Conflicts:
	bower.json
Merge branch 'develop' of https://github.com/GumbyFramework/Gumby

# By Adam Chambers (4) and others
# Via Adam Chambers
* 'develop' of https://github.com/GumbyFramework/Gumby:
  Bump bower.json version number
  Note regarding changelog in README
  Compile Gumby JS
  Compile Sass
  Update _entypo.scss
  Update README.md
  Update gumby.tabs.js