Merge pull request #11 from mmattioli/master

Minor Bug Fix, Various Improvements
Merge pull request #12 from mmattioli/master

Bug Fix, Code Improvements, README.md Updates
readme changes
Merge pull request #13 from mmattioli/master

Code Improvements, Style Guidelines, Better Documentation, Minor Bug Fixes
Merge pull request #14 from mmattioli/master

DHCPD Bug Fix
inverted ipxe and http defaults
removed no longer required exclusive help groups
updated readme to reflect previous
modified confusing ipxe and http options. still not fully happy
inverted dhcp & proxydhcp defaults. more standard usecase
modified help message for previous inversion
moved arg-less args to top
update readme to reflect changes
added implies to --no-dhcp
updated legacy option help
#15 part 1
removal of chroot broke absolute paths, added traversal #15
Merge pull request #5 from psychomario/master

update from original, bug fixes