Adding a check if the respective pkg.upgrade cmd fails.
Fixing lint issue in pkgpng.  Reverting changes in brew.py because of unit tests failures.
Merge branch 'develop' of https://github.com/dmyerscough/salt into dmyerscough-develop
Add mkmnt logic
Update dockerio.py

Added comments for extra function loaded
Merge pull request #15095 from thatch45/dmyerscough-develop

Merge #15055 with fixes
Merge pull request #15097 from mikelodder7/develop

Update dockerio.py to have comments for new state function
Add support for `--output-file-append`. Fixes #15074.
Add test case for `--output-file-append`
Merge pull request #14812 from garethgreenaway/pkg_upgrade_fail_check

Changes to pkg related modules and pkg state
Catch exception raised when pkg.refresh_db is called

This catches an exception that may be raised as part of the code added
in #14812.
pylint fixes
Merge pull request #15111 from pakdel/cloudstack__block_device_mappings

pylint fixes for pull request #15009
Merge pull request #15100 from s0undt3ch/features/out-file-append

Add support for `--output-file-append`
Merge pull request #15103 from terminalmage/pkg.latest-catch-exception

Catch exception raised when pkg.refresh_db is called
Merge branch 'develop' into with-pylint-pragmas