Don't depend on the pecl return code because it's broken.

Refs #8750.
Clarify the usage of env/saltenv
fixed file.sed module a security risk
Changing Rackspace to Openstack in Openstack doc
Merge pull request #8800 from techhat/openstack

Changing Rackspace to Openstack in Openstack doc
Typo fix
adjust the comment line
Merge pull request #8793 from pengyao/develop

fix #8792
Copy edit gce.rst
Merge pull request #8803 from holmboe/gce-copy-edits

Copy edit gce.rst
Merge pull request #8764 from cachedout/#8750

Don't depend on the pecl return code because it's broken.
Set the default HWM to 1000

This is as suggested in the ZMQ documentation:
http://zguide.zeromq.org/page:all#High-Water-Marks
Merge pull request #8804 from basepi/hwm

Set the default HWM to 1000
Add hard return to make pylint happy
Merge pull request #8805 from UtahDave/develop

Add hard return to make pylint happy
Don't define __opts__ and __pillar__ in the module

Also shorten a line
Merge pull request #8806 from UtahDave/develop

Don't define __opts__ and __pillar__ in the module
Don't silently fail if hgfs can't be loaded.

Refs #8807.
Merge pull request #8812 from cachedout/#8807

Don't silently fail if hgfs can't be loaded.