Changes for SphinxSearch

Allow choice of version based on PPA repositories
Fix pid location in default conf since var/run isn't persistent across reboots
Add support for vagrant-hostmanager plugin
Set default sphinxsearch version
Merge pull request #413 from remailednet/sphinxsearch

Changes for SphinxSearch
Merge pull request #415 from remailednet/hostmanager

Add support for vagrant-hostmanager plugin
Merge branch 'master' into nfs

Conflicts:
	Vagrantfile