Miscellaneous broken functionality related to new pop-up forms

Catch all to list current problems within the new pop-up forms
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Mysterious "jump" in scrollbar when clicking on a link/button after scrolling down.
Filed as CRM-14637

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Occasional js fatal error when opening lots of ajax tabs:
"TypeError: s[i] is undefined" - seems related to dataTables
Filed as CRM-14636

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FIXED

• Actually Edit Message Templates form never returns after click of Save (the edits are actually saved, but the pop-up stays visible w/ the Processing message and spinning wheel (until I click the 'x' to close it). Reproduces on sandbox (screenshot attached).

FIXED

• Same problem on 'Print PDF Letter' - but this is more serious because the PDF is never output.

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FIXED
Admin > Customize > Display Preferences: Editing Contacts checkbox labels are unreadable (grey text on dark background) - screenshot attached.
(note this is related to jQuery UI theme not really to do with ajax)

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FIXED

• Tall form 'mode' needed for New/Edit Contribution, Membership, Participant, Scheduled Reminder forms.

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FIXED

• New Relationship (Contact Summary > Relationships tab)

• search from autocomplete doesn't work
• datepicker display is broken ( quick save ) It shows 2 text fields

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FIXED

• New Participant

• jScript alert for partial payment Amount w/ status != 'Partially paid' doesn't work properly in pop-up but works if you access this form from Create button (standalone mode).

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FIXED
Manage Groups > Add Group
After saving 'Group' form, the flow prior to 4.5 is to 'continue' to a search form where user selects contacts to add to the new group. In 4.5, you are returned to the Manage Groups selector w/o any chance to actually put contacts in your group.