[bugfix] update manpage for RHEL7 to support RHEL7 content

- Update man page for RHEL7
- Add rht-cpp and common profiles to manpage
- Add draft USGBC
- Fixes #283
Update RHEL7 manpage to use shipping profiles
Remove CPE variable from the example from the RHEL7 manpage
Merge pull request #287 from redhatrises/man_page_updates

[bugfix] update manpage for RHEL7 to support RHEL7 content
[RHEL7] Update RHEL6 to 7 ext4 to xfs

Simple system permissions update for RHEL6 to 7
Change Openswan to Libreswan
Merge pull request #290 from neo-aeon/Openswan_to_Libreswan

[RHEL7] Change Openswan to Libreswan
X11, switch inittab to default.target
Merge pull request #291 from neo-aeon/inittab_to_set-default

[RHEL 7] X11, switch inittab to default.target