Changes (backports) to fix building against oe-core 75bed4086eb83f1d24c31392f3dd54aa5c3679b1:

- license checksums
- SRC-URI (plus CHKSUM) fix in rhino package
- install-fix in openjdk-7-common (needs additional reference to ICEDTEA subdir)
- import required autotools-brokensep.class from current oe-core HEAD