New Package: obmenu-generator perl script to auto generate openbox

menu (expecially applications menu)
obmenu-generator: added a missing newline in INSTALL.msg
obmenu-generator: added schema.pl.app already tailored for submenu

usage in the doc dir, deleted INSTALL.msg and adpated README.void
and the template file to reflect the modifications

Regards

Carlo D.
obmenu-generator: modified package added missing noarch=yes
Merge pull request #586 from onekk/master

New Package: obmenu-generator perl script to auto generate openbox menu especially applications menu