Merge pull request #6 from treww/master

Static linking of standard addons.
rework subscription interface to prepare client support and be compatible with asio
keep queue of publish request as spec
fix 2 tests
more work to prepare async subscription
raise exception in string parsing if node identifier not found
fix monitored_item test
Merge pull request #7 from oroulet/master

small fixes and work on subscription interface
add first draft og high level subscription interface
lost commit from treww restructure
higg level subscription interface update
more work on draft of high level subscription interface
clear subscription list after delete!!
add createSubscription method to Client class, small cleanup
add method to process publishresponse on client side
generate sessionId instead og hardcoded value
missing deletesubscription constructor
forgot to check inn session file
fix wrong qeueu call in publish
attempt to fix autotool build