RFR: JDK-7080001: Need to bump version numbers in build.properties for 8 (EZ)

[Kumar Srinivasan]

Hi,

Please review the build changes, this only affects developers who build
langtools repo. independently of the the JDK, and basically forces us to
eat our own dogfood. :)

Webrev:
  http://cr.openjdk.java.net/~ksrini/7080001/webrev.0/

Thanks
Kumar