[#61933572] New import status: Waiting

When an import module is waiting for another one to finish
[#62392766] Change in contacts import api

Now account_name goes outside de import hash
Merge remote-tracking branch 'origin/master' into 61933572-waiting-instead-of-ready
Merge remote-tracking branch 'origin/62392766-get-account-import' into 61933572-waiting-instead-of-ready
[#61933572] Fix removes the 's'
[#61933572] Fix realtime_status logic

status_url.nil? and self.status == 'ready' and self.status != waiting
then realtime_status would update status to waiting but it could be ready
[#61933572] Waiting specs
[#61933572] Hack because of how any_instance works

Now finished? could be call more than once because now in realtime_status we
make a call to ready?
any_instance.should_receive(:finished?).at_least(:once) allows ONE instance
to recieve more than one message.

http://stackoverflow.com/questions/9800992/how-to-say-any-instance-should-receive-any-number-of-times-in-rspec