Merge pull request #33 from Supermathie/emailtest

mailtest enhancements
Add script to easily make a swapfile
Modify swapfile size from 512MiB to 1GiB
mk_swapfile: add option to specify size in GB
Merge pull request #34 from Supermathie/mkswap

Add script to easily make a swapfile
BUGFIX: remove blank strings from ENV passing
Use new forking trick as opposed to seperate sidekiq process
(saves 7% memory)
missed a few templates
Fix gem configuration path

Stop gem from installing gems documentation globally.
Merge pull request #35 from albertogg/fix-gemrc

Fix gem configuration path
Check before using ssl.create_default_context
Merge pull request #37 from Supermathie/mailtest-1204

Check before using ssl.create_default_context
Better logic to determine required Docker version

This commit adds support for both a minimum Docker version, and the
version currently recommended by Docker development team. If the user is
not running the minimum version, the script will not continue. User is
warned if they have any version prior to the currently recommended
version.
Ruby 2.1 version
Merge pull request #40 from Stealthii/version-code

Better logic to determine required Docker version
Update launcher

0.11 is out
default is wrong here, we really need an ssh key, its critical
clarify language about SSH key generation
Clarify SSL verification warning