[front-end] make widget editor dialog's backdrop static (not closing via clicking oustide of the dialog
[maven] run gulp clean during mvn clean
[bower] fix ignore section in bower.json
[front-end] use bower-published version of angular-json-editor
[front-end, bower] allow minor and patch updates of all front-end libs
[npm] backtrack to gulp3.8.8
[front-end] angular-json-editor v0.1.3 with on-change support
[front-end] Make 'alert' and 'appConfig' services instead of factories
[maven] add Appache-Commons IO dependency
[controller] add controller for widget update
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)