Merge pull request #1 from cjcai/stats

Stats
Update README.md
Update README.md
getchats.sh default +x
merge into one script + allow users to change python path
Merge branch 'stats' of github.com:cjcai/gchatviz into cjcai-stats

Conflicts:
	README.md
	getchats.sh
getchats tars stuff up
Update README.md
WS
Update README.md
changed analyze.py to fetch both anonymous and anonymous messages, undid tarring temporarily