Bug 862485 - Split test_pointer-events.xhtml in two to avoid timeouts. r=longsonr

--HG--
rename : content/svg/content/test/test_pointer-events.xhtml => content/svg/content/test/test_pointer-events-1a.xhtml
rename : content/svg/content/test/test_pointer-events.xhtml => content/svg/content/test/test_pointer-events-1b.xhtml
Bug 860897 - Add locale to stub installer fallback url. r=bbondy Windows stub installer only which is only built when building the nightly - DONTBUILD
Bug 866317: Remove unneeded line from ccsip_debug.c that just logs a blank line, since it triggers a build warning for empty format string. r=abr
Bug 866358: Add missing #include to fix "implicit declaration" build warning. r=ehugg