Add note on test.ping to FAQ

This is a common question in #salt.
Merge pull request #7273 from terminalmage/docs

Add note on test.ping to FAQ
Add CLI examples for runners

These make the docs look better.
fileserver/gitfs.py: rm trailing whitespace

salt/fileserver/gitfs.py:323: [C0303(trailing-whitespace), ] Trailing whitespace
modules/modjk.py: rm trailing whitespace

salt/modules/modjk.py:247: [C0303(trailing-whitespace), ] Trailing whitespace
Merge pull request #7277 from cvrebert/patch-1

fileserver/gitfs.py: rm trailing whitespace
Merge pull request #7278 from cvrebert/patch-2

modules/modjk.py: rm trailing whitespace
modjk.recover_all: rename local var to not shadow workers() func
modjk: fix docstring typos: spepcific => specific
Merge pull request #7282 from hulu/modjk-typos

modjk: fix docstring typos: spepcific => specific
Check for a key in the data store, returns None if the key does not exist instead of a key error.
Merge pull request #7281 from hulu/modjk-workers-shadow

modjk.recover_all: rename local var to not shadow workers() func
Merge pull request #7275 from terminalmage/docs

Add CLI examples for runners
have modjk.workers() honor `profile` arg

salt/modules/modjk.py:194: [W0613(unused-argument), workers] Unused argument 'profile'
Add documentation for SuSEfirewall2
Remove unused salt.ufw anchor and more minor edits
Update repos filename for SuSEfirewall.d configuration file
Merge pull request #7293 from holmboe/susefirewall2-doc

Add documentation for SuSEfirewall2
One liner to close out #7290

If Salt generates the 'dest' filename, allow it to create any
required directories.
Add multiple source file and templating support to file.append (#6905)

Allow states/file.append() to use multiple source files and templating
to generate the text to be appended to the 'named' file.