Revert "Change version of package in AssemblyInfo and Nuspec files (beta)"

This reverts commit 25a059cd6c15dabdc7f8709684b48ff21377e72f.
Merge branch 'dev' of https://github.com/YaccConstructor/YC.Utils.SourceText into dev

Conflicts:
	src/YC.Utils.SourceText/AssemblyInfo.fs
	src/YC.Utils.SourceText/Utils.SourceText.nuspec
Update Build.Tools submodule