Issue #908822 by jmking, asimmonds | salvis: Fixed Dashboard discards <em class="placeholder"> elements.

Issue #2061545 by StephaneQ, rterrein: Add missing ampersand in sample hook_dashboard_regions_alter function body

Issue #1332658 by sven.lauer, David_Rothstein, xjm, Albert Volkman: Clean up API docs for dashboard module.

#746470 by follow-up by aspilicious, Jacine, jbrown, sgabe, et al: Add border-radius for IE9 / Opera 10.50

#915174 by sdboyer, sun: Remove pointless files[] declarations on files that are not declaring classes.

#601932 by David_Rothstein, carlos8f, yoroy, Bojhan, et al: Allow dashboard to limit available blocks.

#950878 by carlos8f, David_Rothstein: Fixed Disabling the dashboard module permanently removes all blocks from the dashboard.

- Patch #930670 by David_Rothstein: table-based dashboard admin page should be linked to from the dashboard only (not from the rest of the admin UI).

#699858 by David_Rothstein, catch, yoroy, sun, ronald_istos, et al: Fix admin/by-task is confusing because it looks too similar to admin/config. Makes admin/by-task a very minimal view, and makes admin/by-module a more fully fledged index.

- Patch #922590 by David_Rothstein: submitting the dashboard configuration form prints 'The block settings have been updated' twice.

#761956 by David_Rothstein, Xen, sun, tstoeckler, Bojhan, zzolo, yoroy, jenlampton, linclark, BarisW: Fixed Dashboard blocks and regions should not appear on the main blocks configuration page.

- Patch #652122 by sun, catch, moshe weitzman, Berdir, mr.baileys, chx, David_Rothstein, Scott Reynolds, Damien Tournoud: fix dashboard as the default /admin local task.

#500866 by boombatower, solotandem: Remove t() from assertion messages in SimpleTest, so translators do not get 1000s of bogus strings.

#668640 by casey, aspilicious, et al: Re-implement Overlay without jQuery UI Dialog; massive performance improvement, helps address several critical issues.

- Patch #790650 by casey: dashboard always appears in drag-and-drop mode when Seven is not used (and on 404 pages).

- Patch #639162 by casey: block contextual menu should be available immediately when dragged to dashboard canvas area.

#560746 follow-up by chx: Split hook_block_info_alter() into list_ and info_alter() and clean up block_rehash().