add filesystem-cache options
initial add
add fscache-startup on master start
add a job to cache grains and mine data.p's
cleanup imports
put ipc stuff into the masters ipc dir
always use single quotes
added salt.caches to setup.py for package-build
move cache-init to its own function and add it to process cleanup
add function for cleaning up and securing the sockets
initial add for cache-testing skript
put fscache in its own file for log-name

if other cache systems are added, it should be recognizable
in the logs which cache system logged a certain msg
its not a file, its a socket, test for existence
switch from DEBUG to log.debug
use default path for socket instead of /tmp/...
Merge branch 'add_fs_cache' of https://github.com/felskrone/salt into felskrone-add_fs_cache
lint in master.py
caches lint fix
change default to cache

default installs should not have the cache enabled, this is a
clear performance/memory tradeoff for larger deployments
more lint