Pagecontainer: Changed default value for showLoadMsg
Fixes gh-241
Closes gh-325
Popup: Add note for popups with a header and a closing button
Closes gh-327
1.4.12
Build: Upgrade to grunt-jquery-content 0.12.0
1.4.13
Build: Upgrade to grunt-wordpress 1.1.0 and grunt-jquery-content 0.12.1
All: Updated jQuery Mobile version to 1.4.4