Bug 877334: remove hyphenated names from puppetagain r=dustin

--HG--
rename : modules/dirs/manifests/builds/git-shared.pp => modules/dirs/manifests/builds/git_shared.pp
rename : modules/dirs/manifests/builds/hg-shared.pp => modules/dirs/manifests/builds/hg_shared.pp
rename : modules/packages/manifests/gnome-settings-daemon.pp => modules/packages/manifests/gnome_settings_daemon.pp
rename : modules/packages/manifests/mysql-devel.pp => modules/packages/manifests/mysql_devel.pp
rename : modules/packages/manifests/net-snmp-utils.pp => modules/packages/manifests/net_snmp_utils.pp
rename : modules/packages/manifests/tftp-server.pp => modules/packages/manifests/tftp_server.pp
rename : modules/tweaks/manifests/dev-ptmx.pp => modules/tweaks/manifests/dev_ptmx.pp