Fix main navigation offcanvas width

Changes width detection to <=979 instead of <=980
Merge branch 'dev' of https://github.com/CruGlobal/CruOrg into jdev
Merge branch 'dev' of https://github.com/CruGlobal/CruOrg into jdev
Add Google Analytics Page Properties to Advanced Tab, Add Google Analytics

Adds a new panel to the Advanced Dialog Tab for Google Analytics which allows an author to flag a page as an Error Page or Search Results Page
Adds Cru's Google Analytics ID tag to the headerscript
Adds logic to push a modified page URL for error pages
To do: convert search term into a query string and push the modified URL to google analytics
Merge branch 'dev' of https://github.com/CruGlobal/CruOrg into jdev
undo change to offcanvas.js
Merge pull request #143 from CruGlobal/jdev

Google Analytics
Merge pull request #144 from CruGlobal/dev

Dev