clamp MSS to PMTU in bmx tunnel interfaces
refactor lime-config into individual /usr/lib/lua/lime/*.lua modules
refactor set_hostname: separate configure from apply action
call clean() as a first step to configure()
whitespace fix: enforce 4 spaces (no tabs) for indenting style
add module(...) declarations
require modules from lime-config and make all functions global
fix regression about vlans[] introduced during modularization
get network_id() values on network configure() function
Merge branch 'refactor-lime-config'

Conflicts:
	packages/lime-system/files/usr/bin/lime-config
were resolved in favour of refactor-lime-config; that is,
'Adds dhcp configuration function' by p4u was ignored