Merge pull request #53 from treww/master

Server Object publishes current server time. Fixed DateTime calculations.
small fixes
Merge branch 'master' of github.com:FreeOpcUa/freeopcua
Set timestam in browse description at commandline client.
Update README.md
Update README.md
set server timestamp in node.cpp
Merge branch 'master' of github.com:FreeOpcUa/freeopcua
fix bug. header must be passed as value
Merge pull request #55 from oroulet/master

bug fixed adding support for prosysopc client
Added new functions for converting to string
updated convrting to strings.
Merge branch 'master' of ssh://192.168.1.33:/home/treww/work/freeopcua
Merge branch 'master' of https://github.com/freeopcua/freeopcua
disable timeout for PublishRequest since we want them to live until server event
Merge pull request #61 from oroulet/master

disable timeout for PublishRequest since we want them to live until server event
Unified classes creation with using addons.
Merge branch 'master' of https://github.com/freeopcua/freeopcua