1. Index  of bound exception - fix
1. Small improvement on TweeterInjector
1. Fix for injecting tweets.  Tweets never won't appears at "view/export" page without that.
1. one more fix for ChannelBufferManager.
1. "One row per tweet" is done for "Interactive View/Download" page.
Merge branch 'master' of github.com:qcri-social/AIDR

Conflicts:
	aidr-output/src/main/java/qa/qcri/aidr/output/getdata/ChannelBufferManager.java