Merge pull request #330 from ascott1/master

Fix icon font in IE
Merge pull request #331 from ascott1/master

Remove landing page sidbear when loading a reg section & append definiton commentary within the definition text
fix the IE9 box model/scroll bar issue in the drawer
fix current drawer toggle button highlight in closed drawer states
Merge remote-tracking branch 'upstream/master'
fix internal link offsets
normalize section offsets
small screen sidebar at tablet size