Fix `disk.usage` units on Windows

Convert `win32api.GetDiskFreeSpace` Bytes output into 1K-block.
prevent gitfs.py changing load variable that is used by other fs modules too
Merge branch 'bp-14594' into 2014.7
Merge branch 'bp-14594' into develop
Avoid redirects for RHEL5 RPMs to workaround a bug in RPM

Conflicts:
	salt/cloud/deploy/bootstrap-salt.sh
Merge pull request #14597 from zigarn/issue/14596

Fix `disk.usage` units on Windows
Merge pull request #14599 from cachedout/rpm_redir_2014_7

Avoid redirects for RHEL5 RPMs to workaround a bug in RPM
Merge branch '2014.7' into develop
Fixing a broken link and formatting code block
This fixes two issues #14337 and #13788

use-forking-daemon.patch -> #14337
the other patchesr are for #13788

With thanks to Tim Serong who created the patches.
Merge pull request #14600 from nmadhok/fix-salt-formula-doc-broken-link

Fixing a broken link and formatting code block
add another example to alias doc
closes #14544
Handle no roster file gracefully
remove unused import
Merge pull request #14618 from gtmanfred/clean-salt-bootstrap

closes #14544
Merge pull request #14608 from UtahDave/update_alias_doc

add another example to alias doc
Merge pull request #14602 from aboe76/suse_rpm_spec

This fixes two issues #14337 and #13788
Merge pull request #14620 from sontek/gracefully_handle_no_roster

Handle no roster file gracefully
Previsouly this would run even if no proc matched.