## Description of problem:

In RHEV, admin UI rejects FQDNs ending in a digit when creating NFS storage domains

## Version-Release number of selected component (if applicable):

3.4, customer also reports this happening in 3.2

## How reproducible:

always

## Steps to Reproduce:
1. Create an NFS Data Center
2. On storage, create an appropriate NFS share
3. Via DNS create a domain that ends in a digit (ie: foo.example.f7)  Or, just update /etc/hosts so that storage resolves to this name.
4. Try to create a storage domain with foo.example.f7:/<export>

## Actual results:

Attempt to create SD fails ("Error while executing action: Mount path is illegal, please use [IP:/path or FQDN:/path] convention.")

## Expected results:

Create SD as expected, with FQDN ending in a digit