Don't consider a missing indications.conf to be a critical error.

There were many changes in revision 176627 which would avoid the error that a
missing config would have caused.  Other than this, there are no other config
files (including asterisk.conf, surprisingly) that are required.


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@257947 65c4cc65-6c06-0410-ace0-fbb531ad65f3