* Refactor and add importer to Installer module #443
* Refactor for finances to use in import
* Import groups into roles
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* Add interface in installer for import
* Notes about importing
* Check for installer folder
* Formatting
* Fix pirep->user mapping
* Unused import
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* Refactor notifications to allow easier plugins
* Notification refactoring
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* Move news to NewsService; cleanup of events
* More refactoring; added send email out for news item and the template
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