feat(uploader.basic.api.js): removeFileRef method (FineUploader#1737)

When called, this deleted the reference to the Blob/File (along with all other file state tracked by the upload handler).
closes FineUploader#1711

* docs(methods.jmd): document removeFileRef method
closes FineUploader#1711

chore(version.js): forgot to update all files w/ new version

closes FineUploader#1732

Merge branch 'develop'

chore(build): release 5.11.10

FineUploader#1691
FineUploader#1700

chore(build): field testing for 5.11.10 before release

FineUploader#1691
FineUploader#1700

docs(statistics-and-status-updates.jmd): update retrying status def

FineUploader#1670
[skip ci]

Merge branch 'develop'

Merge branch 'develop'

# Conflicts:
#	README.md

Merge branch 'develop'

# Conflicts:
#	client/js/version.js
#	package.json

FineUploader#1646

fix(Makefile): jQuery S3 & Azure are missing plug-in aliases

fixes FineUploader#1643