Changes live content preview pinning behavior slightly so that it's hopefully more intuitive.
Adds files upload to page builder.
Cleans up $.dropDown.
Fixes $.dropDown not closing the list when clicking on a label that's already open.
Adds Page type to returned list of Template.Static.findUsedTypes so that it's always shown as a main content type.
Fixes ClassCastException from Content class not being available in RecentActivity widget.
Adds $.isFixedPosition.
Adds data-searchable option to $.dropDown.
Improves $.autoSubmit to be able to apply to individual input elements instead of the entire form.
Fixes $.dropDown not showing the initial label when there's no selected option.
Improves site map widget filters.
Changes search type filter to use the new searchable $.dropDown.
Removes log message from $.dropDown.
Removes the useless repeatableText declaration from list/text and set/text when it's showing as select[multiple].
Fixes $.plugin2 options sometimes overriding each other on multiple invocations.
Fixes $.dropDown opening too far down when used within fixed position element.
Adds image metadata extraction to UploadFiles page.
Merge branch 'master' into security
Use SAMEORIGIN instead of DENY since the CMS sometimes uses local frames.
Require current password in order to change password.