CELIX-119: Updated framework to use pthreads (via a wrapper).

git-svn-id: https://svn.apache.org/repos/asf/incubator/celix/trunk@1600183 13f79535-47bb-0310-9956-ffa450edef68
CELIX-119: removed apr usage from service_registration


git-svn-id: https://svn.apache.org/repos/asf/incubator/celix/trunk@1600201 13f79535-47bb-0310-9956-ffa450edef68
CELIX-119: Fixed bug in linkedList_destroy


git-svn-id: https://svn.apache.org/repos/asf/incubator/celix/trunk@1600208 13f79535-47bb-0310-9956-ffa450edef68
CELIX-119: Updated launcher and log service.

git-svn-id: https://svn.apache.org/repos/asf/incubator/celix/trunk@1600220 13f79535-47bb-0310-9956-ffa450edef68