Bumped version to 1.15.0a1
Updated release notes for 1.14.0
Added call out for @ulsa
Merge branch 'release/1.14.0' into develop

Conflicts:
	docs/conf.py
	docs/release_notes.rst
	dynamic_dynamodb/dynamic-dynamodb.conf
fix sns_messge_types for writes
more detailed email message
Merge branch 'Jofen-hotfix/snsmessaging' into develop
Enable parsing of defaults for table values to avoid repetition in the config file
Add documentation for tabledefaults
s/tabledefaults/table_defaults/g #181
Fixed too long lines #181
Updated default section title in example #181
Merge branch 'tellybug-experiments' into develop
Added table_defaults support for GSIs #181
Changed table_defaults to default_options #181
Updated release notes for 1.15.0
Bumped version to 1.15.0
Merge branch 'release/1.15.0'