kde-projects: Temporarily disable git snapshots.

The backend side was broken during the upgrades to git.kde.org and
svn.kde.org so let's just skip needless error messages for our users
until this whole thing blows over.

modules/ksb/BuildContext.pm

@@ -76,6 +76,7 @@ our %defaultGlobalFlags = (
     "delete-my-patches"    => 0, # Should only be set from cmdline
     "delete-my-settings"   => 0, # Should only be set from cmdline
     "disable-agent-check"  => 0, # If true we don't check on ssh-agent
+    "disable-snapshots"    => 1, # 2016-07-31 Temp. disabled until kde.org fixed to supply snapshots
     "ignore-kde-structure" => 0, # Whether to use kde dir structure like extragear/network
     "install-after-build"  => 1,  # Default to true
     "install-session-driver" => 0,# Default to false