fix json rendering of domains for REST clients
add magnfier.png for future work filtering domains/records
basic framework for filtering domains list, need to modify index controller next
complete domain filter logic/view
add cancel button to domain filter
make inputs smaller on filter
make gridWide 98% to prevent overlap
DRYer header/filter line
framework for filtering zone records, just add filter logic
finished filter logic for domains
add @@domain_types to Domain (including SUPERSLAVE)
update some Domain logic to recognize SUPERSLAVE zones
make filters for domains/records DRYer by using Domain.domain_types and Record.record_types to construct dropdowns
use domain_path to determine url for record query- caused rspec failures