JC-1578 Added to catch exception on outbox.jsp if a recipient was deleted.
JC-1578 Added to catch exception when was viewed PM. (And recipient was deleted.)
JC-1578 Added JSTL function to check the existence of a user.
Merge branch 'master' of ssh://github.com/jtalks-org/jcommune into jc1578.error500inPm
JC-1578 Added test and JavaDoc.
Merge branch 'master' of ssh://github.com/jtalks-org/jcommune into jc1578.error500inPm
JC-1578 Renamed the method to isExists. Made formated the code.
Merge branch 'master' of ssh://github.com/jtalks-org/jcommune into jc1578.error500inPm
Merge branch 'master' of ssh://github.com/jtalks-org/jcommune into jc1578.error500inPm