docs(api/methods.jmd): Fix typo in setDeleteFileParams method desc

fixes #966
docs(api/methods.jmd): Fix parameter types in params-related methods

fixes #967
docs: Indicate jQuery 1.7+ is required to use `on` function

fixes #968
docs(async-tasks-and-promises.jmd): Typo in `then` method description.


fixes #975
Merge branch 'hotfix/s3-keys-with-spaces'
Merge remote-tracking branch 'origin/master'
chore(*): 3.8.1 hotfix release
chore(fineuploader.jquery.json): closes #947 - additional jQuery registry keywords
Merge branch 'master' into develop

Conflicts:
	README.md
	bower.json
	client/js/version.js
	fineuploader.jquery.json
	package.json
chore(README.md): Increment date
fix(s3/util.js): fixes #979 - follow RFC 3986 when checking S3 query string params
feat(*): closes #977 - ActiveX fallback for ajax requests in IE
Merge branch 'hotfix/activex-and-rfc3986' into develop

Conflicts:
	README.md