mno-async_writes/client: TestEnvironment does no longer get the number of to...

mno-async_writes/client: TestEnvironment does no longer get the number of to be started OSDs in the Constructor. Instead, by default only one OSD is added and further OSDs have to be added with AddOSDs() *before* Start() is executed.

From this revision on, "make test_client" does compile again.

git-svn-id: https://xtreemfs.googlecode.com/svn/branches/mno-async_writes@2983 f8528748-c2c0-11dd-ba5c-d3b7c2b3b534