Merge pull request #175 from theresaanna/master

Delay model form image loading
conflict in .min.css
merge .min.css
Merge pull request #176 from ascott1/master

Remove the Beta label and optimize external link styling
vertically center defined term header
Merge pull request #177 from ascott1/master

Vertically center the defined term header
remove element + class selectors
begin cleanup of sidebar.less
removing default link styles saves 13ms of CSS load
continue LESS refactoring
rever version of grunt-contrib-jasmine
duplicate css property
clean up margin and padding rules
all font sizes in ems
appendix nav cleanup
Merge remote-tracking branch 'upstream/master'
removed unused .css files
Merge pull request #178 from ascott1/master

LESS cleanup (continued)
removing ghost from build
install docco