add pip to spec:system
Fixing depencies

* Package python-pip should be a dependency of estools, and not spec
  dependency
* To run the system specs some other dependecies are required
  - Adding deb source from where it should get elasticsearch package
  - Adding openjdk-6-jdk, as precise failing to install oracle jdk
Fixing 80 char limit issues in pp files (to make lint pass)
Merge pull request #4 from gds-operations/fix_system_spec

Fix system spec and tests