Clear execute bits from some files that shoulnd't have them set.
Merge pull request #323 from ediosyncratic/perm-fixes

Clear execute bits from some files that shoulnd't have them set.
Add synchronization of configuration for HA hubs.

Synchronize notification_scripts directory to copy notifications scripts
form active to passive hubs.
DON'T use u_rcp for copying files from one hub to another.
Allow access to needed configuration files for all hubs in HA installation.
Merge pull request #324 from pasinskim/ha_bish2

Add synchronization of configuration for HA hubs.