Updated #JC-1542
-refactor code according to code review http://fisheye.jtalks.org/cru/JC-164
Merge remote-tracking branch 'origin/master'

Conflicts:
	jcommune-plugins/poulpe-auth-plugin/src/main/java/org/jtalks/jcommune/plugin/auth/poulpe/PoulpeAuthPlugin.java