Merge pull request #223 from doowb/master

Fix for underscore templates being used in the yaml front matter.
fixes bad version number on JShint devDependency, and updates deps in bower.json
Merge pull request #225 from jonschlinkert/master

fixes and updates dependencies in pkg.json and bower.json
link to assemble.io
Merge pull request #226 from jonschlinkert/master

link to docs at http://assemble.io
first pass at providing sorting for collections and pages