Update LICENSE and add license headers to CSS and JS in flink clients
Split between source distribution license/notice and binary distribution license/notice.
Add a DEPENDENCIES file to list all maven dependencies with licenses and notices.

[ci skip]
Add new DEPENDENCIES file to apache-rat's exclude list [ci skip]
[YARN] properly set diagnostics messages on failures
[FLINK-968] Add slot parameter to YARN client
[FLINK-1050] Windows local setup documentation: added note for java being in %PATH% variable, headers, and missing link label

This closes #95
[Documentation] Add documentation on accessing Microsoft Azure Storage Tables
[ci skip]

This closes #100