rcloud-solr-search

-	Implementation of parallel package for multicore processes, changes in description file for           rcloud.support packages, added parallel to Depends list

-	UI changes for search functionality

-	Changes in rcloud.support package 
         	Added custom.search function to interact with solr and fetch the results

                Edited rcloud.update.notebook to push the data to solr and using the multicore approach
                 ## need to remove "detached=TRUE" this is trowing error in R 3.0.2

-	Added configuration in rcloud.conf for solr(host,port, and collection)

-	Added some css change in main.css file.