Fixes to gotorevision(None)

Up until now, this would do nothing in most cases
Remove all bin dirs on update= dirs, be more verbose
Also finish at quotes when using import -u
Bump sample values for newer ndk/build-tools versions
Add tools dir. New tool: categorycount
Fix many cases of UCM for Gradle
Add issue page to github repos on import
Sed signing configs out of build.gradle files
Always run 'clean' on ant and gradle projects too
Added myself to copyright notices
Add HTTP update check mode
Fix some docs compilation issues
Improve http update check mode
Don't try and parse username/password out of repo address except for svn
Do not repeat stderr and stdout when -v/--verbose
Always store ant/maven apk location output for regex
Add libsaxonb-java to buildserver dependencies
Added gettext dependency to buildserver
Switch to ndk r9
Correct ndk r9 install