Updated field class to use doubleborder mixin
fixed undefined offset #2276
Minor bug fix to show link description field 

When adding a link, the description field was present, but hidden. Adjusted javascript to show the description field
FIX: pass controller as reference inside closure.

Non referenced causes segfaults on PHP <= 5.3.8 environments when opening subtrees in the CMS. Likely the cause of silverstripe-cms/issues/803.
FIX Flush on memory exhaustion and headers sent
FIX Include flushtoken when install redirects to successfullyinstalled
Merge pull request #2284 from wilr/closure_this_reference_fix

FIX: pass controller as reference inside closure.
Merge pull request #2278 from jonshutt/patch-1

Minor bug fix to show link description field
Merge pull request #2277 from joernroeder/3.1

fixed undefined offset #2276
Docs: Consistent arg quoting in <% require %> (#1614)
Merge pull request #2271 from ARNHOE/3.1-twotoneborders

Updated field class to use doubleborder mixin
FIX Token redirect where in IIS a / needs adding between host & url
FIX Constants magic_quotes handling needs function from Core
BUG adding a more descriptive message when the CMS session times out. It used to say "Forbidden", now it says "Not logged in".
Merge pull request #2285 from hafriedlander/fix/flush_30

FIX Flush on memory exhaustion and when headers sent
Merge branch '3.0' into 3.1
Merge pull request #2298 from candidasa/defect51-timeout-message

BUG adding a more descriptive message when the CMS session times out. It...