Prepare move to solr 4
Version set with properties are not accepted in the child pom files. Constants set to 4.1
Version 4.1 + 3.1
 - Created two branches to support both Solr search platforms.
 - Added two more unit test for asserting the correct response of -set, -from and -until requests.
 - Drop the index before the unit tests and demo starts.
Properly parse the datestamp as set in the Identify/granularity element for the elements request, resumptionToken and stylesheet examples
Ensure from and until are paired left to right ( older and recent ).
Ensure from and until are paired left to right ( older and recent ).
Ensure from and until are paired left to right ( older and recent ).
Ensure from and until are paired left to right ( older and recent ).
Ensure from and until are paired left to right ( older and recent ).
Apply Identify's granularity setting on datestamps.
 Ensure datestamp OAI2 UTCdatetime formatting.
Apply Identify's granularity setting on datestamps.
 Ensure datestamp OAI2 UTCdatetime formatting.
Apply Identify's granularity setting on datestamps.
 Ensure datestamp OAI2 UTCdatetime formatting.