Add Flattr link to front page
[sql mode] Add some keywords to mariadb and mysql modes
Try to guard against IE9/10 sneakily resetting textarea selection on drag

(And possibly in other situations.)

Issue #1240
Stop 'phantom' after-the-fact drag starts in IE10

Closes #1445
Prevent duplicate selection updates from mouse clicks

Closes #1450
[vim keymap] Add HML cursor motions
[javascript mode] Make 'foo++ / 10' parse correctly (not a regexp)

Issue #1451
[vim keymap] Add [] motions
[brace-fold addon] Fix infinite loop when finding opening brace
Fix inaccurate type info in docs

Closes #1459
[clojure mode] Fix allowed symbol characters

Closes #1460
[lint addon] Don't try to display tooltip above top of document
[lint addon] Make sure tooltips are always hidden when their ref node is removed
show-hint addon to emit "hintShowed" and "hintClosed" events
[show-hint addon] Use events to notify hint source on open/close/select

Issue #1454
Document addToHistory option to markText
Mark release 3.12
Bump version number post-3.12
Add Navigate CMS to real-world uses
[vim keymap] Fix HML test broken on Firefox and Opera