[front-end] Make 'alert' and 'appConfig' services instead of factories
Merge branch 'iss40-widget-uploader' into develop
[controller] change class RequestMethod to PUT
[controller] change class RequestMethod to PUT
[gulp] don't watch widgets.json
[front-end] minor JS code layout refactorings
[front-end] resolves #63, widgets are able to reconfigure themselves
[front-end] random widget name is automatically generated
[front-end] Fix gulpfile formatting: single quotes, indenting
[front-end] make widget reconfiguring optional, #63
[front-end] add APIProvider reconfig method (not called immediately unlike config method)
[front-end, bugfix] fix-up on 77ef147
[front-end] make HtmlWidget reconfigurable
[front-end] reenable strict-di, resolves #49
[front-end] fixes #69, summator widget default values in editor
[travis] don't run end-to-end tests if WebDriver connection times out
[e2e] add widget settings dialog test
[controller] fix whitelisted extensions, prepend required dot
[front-end] re-disable strict-di, reopen #49
[front-end] add jquery