LL-350: hiding evernoteResource and evernoteNotebook from app

by commenting the respective user event types out SocialSemanticService will filter user events of these types since they are no longer contained in the icons array. kind of a hack
LL-351: button for evernote sync added, service implemented
LL-351: auto syncing the timeline when importing from evernote (moved fetchRange function to UserData), disabling the sync button when loading