The patch adds ability to configure REDIS as cache
backed for salt-master to be used as distibuted cache
further.

Change-Id: I62a29713c23ad3f591f6e937bfc5b13eba92f402
Related-PROD: PROD-20581

The patch addes new metadata to configure syndic master. The master.yml
will consits of all relevant parameters required for syndic master of
masters configuration.

Change-Id: I75c274dda7ea7a388cfd5c0b3fa50e110f57a241
Related-PROD: PROD-16861

Change-Id: I7636e3b43996abfa8be21f58ff485d998eacf74c

Change-Id: I336b0825712218e2381e1654251765a24581da00

Change-Id: Ia3b1e93e5f0b3da7097a285122d24c5b1d2b20e2

Allows handling of large output (default 1mb, now 100mb)

Change-Id: Ic5c09155a14003747696c9974b19d21896bf881c

source:engine metadata created - defaults to pkg
installation, pip installation alternative added