Added thread local wrapper

[reOiL]

Why: because its easy replace without workarounds like overload all possible operators

Interface: DAS_THREAD_LOCAL(<Type>)

[borisbat]

lets at least add a macro. those magic numbers are not very readable

[borisbat]

also, we need 2nd define. to enable\disable all this machinery, and roll back to the regular threadlocal

[reOiL]

also, we need 2nd define. to enable\disable all this machinery, and roll back to the regular threadlocal

The idea is just a common interface for thread_local. Making a backport for thread_local X is not possible because we will have to redefine all potentially used operators/methods + some language constructs will not be possible, for example auto X = MyThreadLocal.