Added ConectionEntry class to ProfileService. Added xpath
constants for ConnectionEntry to ProfileConstants. Addeed API
getColleaguesConnectionEntry to ProfileService. Also Addded Samples for
this API.
Removed results array from sample as it is not required here, as this
one is showing only one result
Merge pull request #534 from RajmeetBal/getColleaguesConnectionEntriesForProfileService

Added ConectionEntry class to ProfileService. Added xpath