Bug 1101625 part 1 - Don't escape all non-ASCII characters when unsafe characters are found, just escape the unsafe characters.  r=smontagu
Bug 1101625 part 2 - Remove the aIRI param since it's always true. And some minor code cleanup.  r=smontagu
Bug 1105938 - Don't use nsCSSProps::PropHasFlags(eCSSPropertyExtra_variable, ...).  r=heycam
Bug 1105184 - Setup the mCaret used for DND so that it displays the caret also when dragging a selection within the same shell.  r=roc
Bug 1102374 - Enable display:contents by default in non-release builds.  r=dbaron