Merge branch 'develop' into issue-335
[issue-335] Add Ajax callback
[issue-335] Return unique IP addresses in Ajax response
[issue-335] Use Ajax response to view results
[issue-335] Add typed IP to suggestions
[issue-335] Validate IP
[issue-335] Don't look manually for doubles
[issue-335] Remove unused vars
Code formatting, consolidate return logic
Merge pull request #345 from x-team/issue-335

Issue 335: Autocomplete not working correctly in Exclude IP Addressees field