v1.2.0

• Added Search execution options on the configuration page
• Added support for index patterns
• Added options for parsing date fields
• Refactored Search code to support multiple 'sources' per Search type.
• More UX tweaks

Breaking changes

• The Logstash Search type has been replaced by the ES Search type.
• The config syntax for specifying indices has changed.
• The config syntax for defining Search sources has changed.