chore(*): start of 4.1.0 work
[skip ci]
Merge branch 'hotfix/4.0.1-button-issues' into develop

Conflicts:
	README.md
	bower.json
	client/js/version.js
	fineuploader.jquery.json
	package.json
fix(*): workaround travis-ci's latest CNAME issues

[skip ci]
fix(docs/endpoint_handlers/amazon-s3.jmd): wrong link to blog post

[skip ci]
Merge branch 'hotfix/4.0.2-fix-build' into develop

Conflicts:
	README.md
	bower.json
	client/js/version.js
	fineuploader.jquery.json
	package.json
chore(README.md): trigger doc server build (is it broken?)
fix(docs/api/qq.jmd): docs site is not rendered
doc(endpoint_handlers/traditional.jmd): wrong blog post [skip ci]
fix(client/js/image.js) fixes #1032 TypeError on invalid preview container type
fix(client/js/*) fixes #1031 dependency on Fine Uploader UI from within DnD module
chore(*): Prepare for 4.0.3 hotfix release

[skip ci]
docs(features/delete.jmd): Wrong information in DELETE feature doc [skip ci]
fix(js/s3/handler.xhr.js): fixes #1035

Chunked upload progress is reset after final failed auto-retry
docs(js/image.js): remove TODO that no longer applies
fix(js/templating.js): fixes #1030

Don't draw the "not available" placeholder until the preview
generation attempt has failed.
chore: Fix tabbing
chore(js/handler.base.js): improve readability
feat($Gruntfile): Add 'wait_for_sauce' task

This task will block execution until SauceLabs reports that there
are 0 current jobs running.

Fixes #946
feat($sauce_connect_setup): Log download of Sauce-Connect
feat(js/*): #934 - allow pause for chunked uploads

- Feature is completely functional for S3 and traditional endpoints
- Chunked uploads only
- UI component & API methods for pause & continue
- Status text update (UI) after pause
- New qq.status value (PAUSED)
- Refactor of click event handler module for file buttons
- TODO: Unit tests & docs