Update _manage_form.htm

fix form title for update context
Added form widget "TimePicker" to Backend.
Added form widget "TimePicker" to Backend.
Merge pull request #791 from negativa/patch-3

Update _manage_form.htm
Refs #792: Improve 'cms.page.beforeDisplay' event to support modifying the page, clean up events
Refs #792 - Fixes logic error
Merge pull request #795 from webmaxx/develop

Added form widget "TimePicker" to Backend.
Refs #795: Combine TimePicker and DatePicker
Refs #795 - Fixes set values for datetime
Fixes display values for datetime
Merge pull request #797 from webmaxx/develop

Fixes display values for datetime
Clean up code from #797, remove conflicts in CSS
Fixes #145 - Plugin details now support "homepage" property
Various fixes to datepicker and form widget
Fixes #761 - Widgets can support proxy fields too
* Build 166
Merge remote-tracking branch 'upstream/develop' into dma-friends