initial tweet consume guide
Update README.rst
use service instead of procedure; add app diagram to readme
Update README.rst
Update README.rst
Update README.rst
small renamings
Update README.rst
addressing docs review comments
set compiler version in pom
Merge branch 'feature/initial' of https://github.com/cdap-guides/cdap-twitter-ingest-guide into feature/initial

Conflicts:
	README.rst
point to 0.1.0 twitter pack version
Merge pull request #1 from cdap-guides/feature/initial

Initial version