Merge branch 'master' of https://github.com/freeopcua/freeopcua
Updated readme: added instruction how to install server.
Merge branch 'master' of https://github.com/treww/freeopcua
Merge branch 'master' of https://github.com/treww/freeopcua
Merge pull request #74 from oroulet/master

make browse return several result when ask for + various small fixes (see commits).
Triggring DataChange event after creaing monitord item.
added cmake build - it will be used mainly for windows. Opcua protocol library compiles.
Added building with cmake of libopcuacore and its test. Tests fails.
Added building of opcua client with cmake.
Added building of opcuaserver with usng cmake.
cleaned up warnings in tests and in converting int to bool.
Fogotten file variant_visitor.h
Added tests. Fixed opcuarotocol unit test.
Fixed tests of opcuacore. But it id required force to use dynamic runtime by gtest.
Added dynamic runtime. But it is disabled tests of dymanic addons because of c++ ABI.
Fixed accessing array after bounds. Fixed server tests.
Merge branch 'master' of https://github.com/treww/freeopcua
Fixed build for linux.
Updated tests uri for windows.
Fixed function CurrentDataTime with using std::chrono.
Fixed termination by ctrl-c in windows.