Create candlepin-common rpm.

Update candlepin-common.spec

* remove scl
* define deps
* add defines
* add install, files, changelog to spec file
* mkdir distlibdir
* add support scripts for building
* don't run da_popo
* use the correct spec file
* remove cpdeps, and candlepin related items
* add files and install of jar
* project name already includes common
* use parent_proj instead of hard coded candlepin
* remove candlepin-deps lib.dir
* remove antlr
* Read version and release using native ant functions.
* remove antgetvr
* cut back deps to only needed ones
* remove resteasy-guice
* add javax.inject