Domain name validation regexp changed

Change-Id: I6b7c54e3700b3b2511f87dfb107d91a13dee9d9b
Fix instance count field for farm services.

Fixed visibility and default value for ASP.NET and
default value for IIS farms.

Change-Id: Ia2d2eaa17c6f8c3e53da4745b03a2b27ff6738fe
Fixes: bug MRN-863.
Merge "Fix instance count field for farm services." into release-0.2
Merge "Domain name validation regexp changed" into release-0.2