Fix weird css issue with kill button checked.  Was calling .../images/kill.png but should've been calling ../images/kill.png.  Fix snapin deploys to only deploy if snapins are associated to a host.  Snapin tasks will not deploy if there are no snapins associated.

git-svn-id: https://svn.code.sf.net/p/freeghost/code/trunk@2228 71f96598-fa45-0410-b640-bcd6f8691b32
Merge svn with master