Double to single quotes.
Make `salt.payload.SREQ` IPv6 aware.

Since `salt.payload.SREQ` also checks for the `IPV4ONLY` attribute, which was added because of the IPv6 support, and that has proven problematic in some networks, we only set `IPV4ONLY` if IPv6 support is enabled.
Created file for lvm state. Implmenetd vg related functions
Added functions to create/remove logical volumes ref #118
Added function for creating pysical volumes. ref #118
Added comments to functions. ref #118
Fixed calls to lvdisplay salt command.
Added module comment block
Caught error cases in display commands for lvm module.
Use kwarg for lvm absent
Added docs for lvm state
Added docs for lvm state
Make it more clear that runners are called on the master per #4643
more typo fixes
Use return codes from lvm commands.

This prevents some stack traces from attempting to process
invalid output from lvm commands.
rm unused var `serial` from modules.mine.update()
rm comment that states the obvious
Merge pull request #4712 from hulu/so-many-typos

last set of the typo fixes
Typo fix
call superclass __init__ in dict subclasses

good practice, fixes a pylint warning