update default EC2 exclude regions -- this should be the best configuration for most users, but some may still want to tweak.

Make synchronize module work better with local transport, fix #5668

fix str format error due to missing '%' in sysctl module

Spiff up the 'Developing Plugins' page

Colon in example failure message causes a YAML compile error

The example failure message was given as - fail: msg="Bailing out: this play requires 'bar'"

The colon in the example causes a YAML compile error, so I am replacing it with a '.'

Add support for Scientific Linux for hostname module

Allow keystring passed to authorized_key to contain blank lines and comments

the sysctl command. Calling sysctl should also not be true by default

hostname module was lacking support for Scientific Linux, this commit adds it.

Pipelining will be disabled by default, since it requires users remove
the 'requiretty' option from the servers sudoers configuration.

quantum_* modules: Neutron name change, keeping backward compatibility

ec2_elb module: Minor improvements to documentation

ELB(s) cause a weird formatting behaviour - it appears as EL**s**
Added choices documentation to the state option

Do not log the rax api_key argument in module invocation

The previous implementations will be kept for now as _old

All modules should be using /usr/bin/python in the shebang as ansible_python_interpreter processes this (see FAQ).
Fixing for standardization purposes.

subversion: use LANG=C to prevent regex failures

Mailinglist info

Fixes bug GH-5549.

user module/OpenBSD: using login_class always makes status 'changed'

apt_repository: don't crash if default_file doesn't exist

Treat a False mandatory variable as defined.

 mysql_db module: make dump and import to use port argument

setup module: Partial fix for #4565, reporting Debian release version. Works only for Debian 7 and later