Add BSD fallback for syspaths.CONFIG_DIR

In the absence of _syspaths.py, make sure that the BSDs still look for
configuration files in /usr/local/etc/salt.
Merge pull request #11047 from terminalmage/bsd-syspaths-fallback

Add BSD fallback for syspaths.CONFIG_DIR
Make platform variable private

This makes it so that platform is not exposed as syspaths.platform.
Merge pull request #11048 from terminalmage/bsd-syspaths-fallback

Make platform variable private
Merge pull request #11045 from cachedout/11044

Fix wording.
Don't seek on named pipes.

Fixes #10951
add saltify to salt.modules.lxc
Execution returns route to the master now
Merge branch 'serializers' of git://github.com/johnnoone/salt into johnnoone-serializers

Conflicts:
	doc/topics/yaml/index.rst
Merge branch 'easier-writing-runners-doc' of git://github.com/felixhummel/salt into felixhummel-easier-writing-runners-doc

Conflicts:
	doc/ref/runners/index.rst
Merge pull request #11022 from olliewalsh/issue_11020

Fix issue 11020
Merge pull request #11023 from whiteinge/test_exception

Added exception and stack functions to the test module
Merge pull request #11024 from whiteinge/import_text

Added load_text filter and import_text tag to Jinja environment
Merge pull request #11025 from terminalmage/11001

Clear available pkgs cache when available packages are likely to have changed
Merge pull request #11034 from JensRantil/less-awkward-check_hash

Less awkward file.check_hash(...)
fix indentation in salt.output.highstate

************* Module salt.output.highstate
salt/output/highstate.py:126: [W0311(bad-indentation), ] Bad indentation. Found 15 spaces, expected 16
salt/output/highstate.py:130: [W0311(bad-indentation), ] Bad indentation. Found 15 spaces, expected 16
Merge pull request #11035 from regilero/fix_immutablelazyproxy

Fix #11003 TypeError: list/ImmutableLazyProxy on file.accumulated
Merge pull request #11040 from basepi/servicesfun

Add `sfun` to service.mod_watch for future compatibility
Merge pull request #11051 from cachedout/10951

Don't seek on named pipes.
Merge pull request #11053 from cvrebert/patch-1

fix indentation in salt.output.highstate