working on simplifying widgets. Pushing into a branch since I am not 100% happy with it yet.
added a plugin widgets generator
Fix UI build
Typo
fixed ui build
Adding slack notification
Moved attachment generation to report renderer
Fixed SMS report renderer by implementing the new  getAttachments method
Fixed ReportRendererException by implementing the new  getAttachments method
fix tests
Merge remote-tracking branch 'origin/master' into plugin_widget_refactoring
Merge pull request #307 from mkurzeja/report-attachment-generation

Moved attachment generation to report renderer
Fixing PHP Fatal error:  Call to a member function getCurrency() on a non-object
This must be a bug in PHP core? https://travis-ci.org/piwik/piwik/jobs/27172700
Submodules
tweak message for usability
Fixes PHP Fatal error:  Call to a member function getLocalized() on a non-object
I still don't understand why suddenly this error would appear (and only on php 5.4?)
Use piwik-latest.zip instead of latest.zip to work around bug on Chrome on Windows Refs #4455
Piwik is a free/libre analytics platform. Refs #4455 GNU Package requirement to use free/libre instead of open source
Deleting package scripts for ASUStor and QNAP since they are not maintained
fyi @vipsoft
Piwik is a free/libre analytics platform. Refs #5276