Update T01_Hello_World_Using_Sandbox_with_Hive_and_Pig.md

Changed Data Processing to Relational Operators since the pull down helper in the PigHelper has changed.
Added tutorial T-10:Sentiment Analysis Workflow using Oozie
new tutorial
Corrected broken 'Community' link

Corrected broken 'Community' link
Fixing issue #31

Changed Sentiment -> Sensor to fix issue number 31.
Merge pull request #26 from vivganes/master

Fixed some typos and grammatical errors
Merge pull request #27 from vivganes/oozie-tutorial

Added new tutorial : Sentiment Analysis Workflow using Oozie
Merge pull request #29 from vivganes/patch-1

Corrected broken 'Community' link in Readme.md file
Merge pull request #32 from vivganes/patch-2

Fixing issue #31
Added index entry for the latest tutorial addition

Added index entry for the latest tutorial addition (Sentiment Analysis Workflow using Oozie, MapReduce and Pig)
Merge pull request #33 from vivganes/patch-1

Added index entry for the latest tutorial addition
new hive tutorial
Merge branch 'master' of github.com:hortonworks/hadoop-tutorials
edit
new Hive tutorial
edit
solr
Solr Tutorial
Solr Tutorial
Solr Tutorial