[Cin] some plugin work from Reinar

[Andrew Randrianasulu]

https://github.com/vanakala/cinelerra-cve/commit/e16dcc1a7e073dfa22548c285b52388215105ebf

https://github.com/vanakala/cinelerra-cve/commit/f27f809b8e277581882a30b85a1739c4ecd36008

https://github.com/vanakala/cinelerra-cve/commit/0c70fa9a27c617d0a549b297ae39a660cdd2eac4

basically gui for *TV series of plugins (dotTV,
holographicTV/agingTV/Burning TV)

might be something to try and port over...
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