v0.1.6 fixes & optimizations

Incremented version to v0.1.6
Removed -n flag for hostname resolution of DNS A records
Added semi-colons
Migrated version check into its own function and removed os check
and is now relying on availablity of os.adapters[n].netmask property
Removed < v0.11 dependancy for standard scanning, only discovery mode
relies on netmask property per adapter
Removed minified version
Updated readme to reflect contributing branch
Updated readme to reflect contributing branch
Merge branch 'v0.1.6'