Apply nx and common settings to pek-usp-*

Those hosts are used for userspace development and part time nx build.

Signed-off-by: Wenzong Fan <wenzong.fan@windriver.com>
Add packages necessary for bitbake depexp
Move git to ensure resource
Hack around failure in ensure_resource
ensure_resource only works if all params are consistent
Incorrect Fedora Everything path
First step to using signed repos
Forgot undef in define
Make CentOS repos uses repo gpg key
Typo
Blew up puppet parser
Try again with gpgkey
Typo
Enable repo gpg keys for EPEL
Typo
Updates to host package install script
Switch Fedora 15 to use puppetlabs f15 repo
Correct nx_buildir for pek-usp

Signed-off-by: Wenzong Fan <wenzong.fan@windriver.com>
Increase process limit for wr-taf user
Add dell warranty facter fact