svn:ignore cleanup.

* pjproject bin and lib directories should pretty much ignore everything
* Ignore *.o in codecs/ilbc
........

Merged revisions 372611 from http://svn.asterisk.org/svn/asterisk/branches/11


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@372612 65c4cc65-6c06-0410-ace0-fbb531ad65f3