tidying vrf interfaces
copying v4 and v6 ips for secondary loopbacks
tidy
optional handling of secondary loopbacks
define lt for interface comparisons
fix comment
add shortcuts to interface iteration by type
v6 secondary loopback alloc
generic interface overlay groupings (to support vrfs and ospf in consistent format, will auto adapt)
more work on vrfs
simpler cd icon
interface font size
shortcut to check if interface is physical
workaround to import validate from python system, namespace clash with using validate inside ank
add hooks for validate enable/disable
remove specific code, works under generic interface attributes
initial commit of validate
Merge pull request #113 from sk2/interfaces

Interfaces