Merge pull request #155 from pocesar/master

Bower.json
Add variable for max number of columns
Added Image Gallery and Ecommerce example templates
using -family settings for default argument in font-stack mixin - fixes #156
updates and improvements to templates and sample files
added new and enhanced configurable breakpoints
Add fractions-plural classes to responsive grid loop
Merge branch 'master' of github.com:groundworkcss/groundwork

Conflicts:
	css/groundwork.css
	src/scss/base/_grid.scss
Add new test grid file.

Everything seems to work with the exception of the extend classes. I
believe this is because of the way the test-grid.scss file is set up.
When the output happens, it takes all classes and adds extend- at the
beginning, but with the way the responsive sections are displayed,
extend only gets added to the first property. I don't believe this is
how the extend really happens when processesing, but I'm not sure how
to do a legitimate test.
updated to font awesome 3.2, renamed scss component 'all' manifest files to be compatible with CodeKit, updated templates, removed css/font-awesome-ie7.min.css (now included in groundwork-ie.css) - closes #160, fixes #162
tweaked footer on templates and improved html tag classes in conditional comments
fixed tooltips to use -border-color instead of -color
tweaks homepage
Add mobile adapters to responsive grid limit loop
Merge branch 'master' of github.com:groundworkcss/groundwork

Conflicts:
	tests/src/scss/test-grid.scss
Rename responsive helpers and core mixins scss to complete #160 for CodeKit framework
major refactorings, more configurable settings
added CONTRIBUTING.md
added CONTRIBUTING.md
added cssmin to grunt tasks