reference.conf updated to default to Brent's list of 25 languages
these defaults are working correctly with RedirectLoader and WikiTextDumpLoader
Merge remote-tracking branch 'upstream/category' into category

Conflicts:
	wikapidia-loader/src/main/java/org/wikapidia/dao/load/RedirectLoader.java
	wikapidia-loader/src/main/java/org/wikapidia/dao/load/WikiTextDumpLoader.java