support haxe `final` keyword#2971

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romamik wants to merge 4 commits intofdorg:developmentfrom

romamik:final_keyword

Commits on Jan 27, 2020

support haxe `final` keyword, resolves #2775 and partially #1925 (does not support `final` as method modifier)
r.miklashevski
committed
Update Context.cs
romamik
authored

Commits on Jan 31, 2020

show `final` in completion only for haxe >= 4
r.miklashevski
committed
code style fix
r.miklashevski
committed