Replacing ec2_local with current ec2 module and adding a future module for use in other plays
Stop depending on deb name in splunk download URL

When downloading the deb from splunk’s website, it doesn’t have that
format.
See: http://www.splunk.com/download/universalforwarder
Rename directory to name in inputs config

This doesn’t need to be a directory, it can be just a file (globing also
works).
See http://docs.splunk.com/Documentation/Storm/Storm/User/Editinputsconf
Remove trailing whitespaces
Updates to get alton to work on the admin instance.
Add a variable for the jenkins URL.
Merge pull request #633 from IONISx/splunk-improvements

Splunk improvements
Merge pull request #1190 from edx/cg/new_ec2

Updating local ec2 module
Merge pull request #1214 from edx/feanil/alton_updates

Updates to get alton to work on the admin instance.
Add new settings that were added to edx-platform.
Merge pull request #1216 from edx/feanil/new_edxapp_settings

Add new settings that were added to edx-platform.