Merge pull request #133 from untergeek/2.x

2.x branch started
Add wildcards to prefixes and suffixes.  Extract dates from index names via regex instead of split.
Add copious tests to cover wildcard edge cases
Regexes compel filtering after all indices have been pulled.
Initial split
Updated es_repo_mgr to use shared methods
Cleanup and add preliminary documentation
Standardize parameter and argument naming
Fix a unit test because of #141
Cleanup, and standardize parameter and argument naming
Rename file.  Add default in case of `if` failure.
Fixes discovered during unit testing.
Fixes discovered during unit testing.
Update unit and integration tests to work with updated methods
Add wildcards to prefixes and suffixes.  Extract dates from index names via regex instead of split.

Add copious tests to cover wildcard edge cases

Regexes compel filtering after all indices have been pulled.

Update CHANGELOG

Update CONTRIBUTORS
Fix syntax error in logstash logformat JSON

Pushed same change to es_repo_mgr.py

Updated CHANGELOG & CONTRIBUTORS

closes #142
Changing from fatal to info, exit code 0 for non-master node test

Updated CHANGELOG and CONTRIBUTORS

closes #144
Initial split
Updated es_repo_mgr to use shared methods
Cleanup and add preliminary documentation