Updated look of subsections

Look updated to default wordpress admin theme
Updated look of subsections
Updated look of subsections
Merge pull request #1096 from atomicpages/patch-1

Updated look of subsections
Merge pull request #1097 from atomicpages/patch-3

Updated look of subsections
Merge pull request #1095 from atomicpages/patch-2

Updated look of subsections
Styles for subsections.
Fix for issue #1100.
Small fix for #1100.
adjustment for WP heartbeat.
Delete jquery.blockUI.min.js
hextorgba fix
Data and args attribute to sorter now grabs wordpress data.  ;)
Sorter field with data.
tabFromField
Merge origin/master
formatting
Update field_image_select.less
Update admin.less
Merge pull request #1103 from pseudonymus/patch-2

Update field_image_select.less