Added package.xml file for generating PEAR packages.
Added package.xml file for generating PEAR packages.

alawnchen/Stash,csburton/Stash,bankiru/Stash,bankiru/Stash,theUniC/Stash,graphis/Stash,tedious/Stash,AndrewCarterUK/Stash,tedious/Stash,jaredtking/Stash,csburton/Stash,localheinz/Stash,alawnchen/Stash,jaredtking/Stash,localheinz/Stash,andrerom/Stash,andrerom/Stash,AndrewCarterUK/Stash,theUniC/Stash,graphis/Stash