Bug 1100770 - Better document existing printf_stderr, vprintf_stderr, fprintf_stderr functions.  r=froydnj
Bug 1100773 patch 1 - Fix bracing of indent loops in style rule print functions.  r=heycam
Bug 1100773 patch 2 - Convert style rule List methods to use fprintf_stderr.  r=heycam

Note that getting decent logcat output on Android and B2G requires not
splitting lines of output across multiple fprintf_stderr calls.
Bug 1100773 patch 3 - Add an aListDescendants boolean to nsStyleContext::List.  r=heycam
Bug 1102650 - Make the :-moz-dir() and :-moz-locale-dir() selectors be valid selectors (matching nothing) with arguments other than rtl and ltr, rather than invalid.  r=heycam