Replace :hwvirtext with :hwvirtex

`:hwvirtext` isn't an attribute accepted by `modifyvm`.
Add Oracle Linux 6.5 x86_64 template
Add Oracle Linux 6.5 x86 template
fix for #870 ssh connection hand
Remove funtoo-latest-generic_64-stable template.
Revert "Remove funtoo-latest-generic_64-stable template."

This reverts commit 0f1c1690b1a4f094ff53d68e21757d812d0021fe.
Remove funtoo-latest-generic_64-stable template.
Change definition Debian 7.2.0 because the ISO is now archive
Add definition for Debian 7.3.0 (amd64 and i386)
Merge pull request #880 from leopoiroux/patch-debian7.2.0

Change definition Debian 7.2.0 because the ISO is now archive
Merge pull request #881 from leopoiroux/add-debian7.3.0

Add definition for Debian 7.3.0 (amd64 and i386)
Add new funtoo templates.  stable is ~600MB and unstable is ~700MB
Add iso_sha256 to facilitate use of published upstream checksums
fix for issue #780, The checksum option does not work
Add Fedora 20 support
Add OpenBSD 5.4 support
Merge pull request #882 from seginoviax/funtoo

Funtoo
Update with include,exclude and checksum flags.
Fixed tiny typo, "iso_dowload_timeout"
Merge pull request #883 from braddeicide/master

Add iso_sha_256, fix checksum not working, add Fedora 20, OpenBSD 5.4