Updated puppet-vswitch module

The update is required because the fix for the following
bug is contained in it:
https://bugs.launchpad.net/puppet-vswitch/+bug/1260732
Updated puppet-neutron module

This patch updates puppet-neutron module to latest master branch.
The update contains fix for launchpad bug #1312628
Adding mkfs fix
Update stdlib module to latest 4.x

The latest verion 4.1.0 stdlib module has some new functions added
that are useful. Specficially, the delete_undef_values function had
been added to ther 4.x branch. This should be compatible with the
existing stdlib module we are using, which is also version 4.1.0.
Merge pull request #33 from gildub/gluster+mkfs_fix

Adding mkfs fix
Merge pull request #30 from paramite/neutron-update

Updated puppet-neutron module
Merge pull request #29 from paramite/vswitch-update

Updated puppet-vswitch module
Merge pull request #34 from rohara/update_stdlib

Update stdlib module to latest 4.x
Removed keepalived submodule
Merge pull request #35 from gildub/no_keepalived

Removed keepalived submodule