prepare for 0.4.0
Select.md: add note about styling the inner native select, and remove doc about use with default store. Fixes #281, #316
Select sample: del superflous var declaration
Select unit test: do not rely on execution order of test cases
Select unit test: fix jshint errors
Added recommendation about size in ProgressIndicator doc. Fixes #318.
fixed hard coded 12px font-size
Merge https://github.com/ibm-js/deliteful/pull/349:
Update tutorial to match latest changes in generator-deliteful-app + some formatting /spelling / typo fixes.
Progress bar font size. Fix #312.
ProgressBar reworded part about height in doc
Implement a store custom element (ref: #48)
remove un-needed code, fix comment, fix tests
Select unit test: fix malformed HTML (although harmless)
put back attachedCallback call and remove upgrade call.

The reason is upgrade is anyway call when I instanciate the
custom element instance automatically but then as the element
is not attached attachedCallback is not called. Calling upgrade
later is then ignored and attachedCallback still not called.
So one as to just call attachedCallback.
Update index.md

Add ResponsiveColumns to the list of widgets
created sample for ToggleButton and added it to docs/ToggleButton.md
fixes in Select functional tests
Use the current page URL's protocol to access the Flickr API, to avoid request failures when the app is launched using https://
From https://github.com/ibm-js/deliteful-tutorial/pull/2
Thanks  @modcoms  (Martin McCormack)