XD-533 - Add additional options to file source
XD-553 - Add additional options to file source
XD-634 Removing Guava dependency for hadoop20 adn phd1

We already have Guava 12.0 on the classpath
XD-606 Document JSON quoting behavior in shell
XD-644 Add rabbit properties to container
Make alpha parameter accessible to user
XD-546 Add fieldvaluecounter display command

  - Added display command with name, pattern and size as options
  - Fixed FieldValueCounterResource to include getFieldValueCounts method.
  - Added display fieldvaluecounter display method that lists the fieldvaluecounters ordered by values
  - Added fieldvaluecounter tests

 - Changed fieldvaluecounter delete command result text to read 'field-value-counter' for better readability
  - Fixed the corresponding test
 - Fixed field value comparator's compare method
 - Used Tail source instead of File source
  - Appending the tweets to a temp file to check for fieldvaluecounter values

XD-546 Fix tests for fieldvaluecounters
 - Enabled "end" attribute at tail.xml source module configurable
  - This allows us to configure the tail source to tail from the beginning of the file
 - Fixed the fieldvaluecounter tests to make use the above configuration