support ipv6 netmask notation. - part of adding ipv6 info into the lib
add ipv6 listing in IPs.
rename yalnp/yalnp_common to yalnp.common. fix module loading problems in tests.
update yalnp/yalnp_common to yalnp/common
add arp support
rename test_yalnp_common to test_common
add iface alias support. read ifalias when kernel_config are parsed.
remote stp_state attribute. sub with 'stp' object.
fix bug where arp table only has 1 entry
use re.search instead of matching on arry for arp table. arp entry for ipv6 and
ipv4 slightly different. this matches for both.
write function that merges arp entries into existing ifacelist
add ability to get bridge name given vlan id
Merge branch 'devel'

Conflicts:
	setup.py
part of devel merge