Merge pull request #493 from jimi1283/miscimprovements

BUGFIX - img_path should be local_img_path for boot_files
Add support for the "prefix=" option
Add support for the "prefix=" option
Add support for the "prefix=" option
Add support for the "prefix=" option
Merge pull request #494 from jose-cardoso/master

Add support for the "prefix=" option
Consolidating bootcfg files for ESXi into one file