graphite: Save static metrics as JSON to the file system
graphite: Fix static metrics path missing plot name

refs #2274
web/graphite: Fetch static metrics

refs #2274
graphite/frontend: implement metrics cache

refs #2274
graphite: retrieve static metrics via XML-RPC

refs #2274
ingraph_collectord: JSON-RPC instead of XML-RPC
graphite: supports now both JSON-RPC and XML-RPC

refs #2274
UnixDaemon: catch KeyboardInterrupt
Remove show options from Tbar
Fix ingraph-web not working w/ graphite

refs #2274
Quick fix ImgAction w/ graphite as backend (temporary)
Fix views missing plots

The view action only fetched max 20 plots
Remove submodules
Add files from submodules
Fix icinga-web module setup --with-backend switch
Fix that plots were not hoverable
Prefix label with host only when the label is auto-generated
Graphite: Escape whitespaces ' ' with underscore '_'
setup-daemons: Fix --with-backend switch
flot/makeCanvas: Fix set style of the canvas object since some browsers protect it?
Use socket.sendall() again