DTS 21.11 released!

[Tu, Lijuan]

A new release aligned with DPDK 21.11 is available:
	https://git.dpdk.org/tools/dts/snapshot/dts-21.11.tar.xz

The branch 21.11 is also available:
	https://git.dpdk.org/tools/dts/log/?h=21.11

Below are some new features and improvements.
* new test plans
	- cvl_1pps_signal_test_plan.rst
	- cvl_advanced_iavf_rss_pppol2tpoudp_test_plan.rst
	- cvl_flow_priority_test_plan.rst
* new test suites
	- TestSuite_cvl_1pps_signal.py
	- TestSuite_cvl_advanced_iavf_rss_pppol2tpoudp.py
	- TestSuite_cvl_dcf_qos.py
	- TestSuite_cvl_flow_priority.py
* Update test plans to adapt meson build
* Fix pylama errors, which will be continued in next release
* Make DTS a python standard project

Makefile builds are deprecated and will be removed in DTS 22.03, please use
meson builds instead.

More details in the release notes:
	http://doc.dpdk.org/dts/gsg/rel_notes/release_21_11.html

Thanks everyone!