Change .net 4.5 to .net 4.#1

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huangjinshe wants to merge 7 commits intovilppu:masterfrom

huangjinshe:master

Commits on Jul 24, 2020

Commits on Jul 25, 2020

rebuild for support .net4
huangjinshe
committed

Commits on Jul 30, 2020

Fix bug, also turns out DotNetZip need to include in it, so use : Costura.Fody to handle this problem.
huangjinshe
committed

Commits on Aug 8, 2020

For performance, remove Costura.Fody component. Directly add DotNetZip.dll as a embedded resource.
huangjinshe
committed
Directly add DotNetZip.dll as a embedded resource.
huangjinshe
authored
remove it. didn't use it now.
huangjinshe
committed