Apply ApplicationTransaction edits and deletes via Ajax if available

Summary: When possible, replace the edited or deleted transaction inline using Ajax.

Test Plan: Repeatedly edited and deleted transactions. Clicked their anchors to verify anchors were correctly preserved.

Reviewers: vrana, btrahan, chad

Reviewed By: vrana

CC: aran

Maniphest Tasks: T1082

Differential Revision: https://secure.phabricator.com/D4150