Add installation instructions.
Merge pull request #1 from tpalsulich/master

Add installation instructions
Upgrade Tika to 1.6 from 1.6-SNAPSHOT.
Merge branch 'master' of https://github.com/chrismattmann/tika-python into update-tika-16
Merge branch 'update-tika-16'
Merge pull request #3 from chrismattmann/update-tika16

Upgrade Tika to 1.6
- need these jars b/c of Tika Translate Google plugin API
Update and include needed jars b/c of Google Translte.