Added ant build config
Fixed error in the ant build instructions
Removed pdepend and phpcpd
PEAR System.php updated to 1.9.4
Revert "Don't add redundant includedir INSTALLDIR.'/extlib/'"

This reverts commit 31d8069779357fbcadcaf6a0852980160131f0a4.

I didn't notice any errors because I had php-pear installed. :]
Merge branch 'master' of gitorious.org:statusnet/gnu-social
Merged ant related commits.
Added configuration for travis-ci