allow config of main url to accept user/password
leave empty selected lang/prob for teams
updated version number
removing the call to define_syslog for php versions >= 5.4
Merge branch 'master' of https://code.google.com/p/boca

Conflicts:
	src/globals.php
	src/version
	src/versionnum.php
Set default BOCA directory to 'pwd'/.. (ie, based upon the directory
where autojudge.sh is installed, usually boca/tools).
Refactor auto-judge system.
Add .gitignore.