Remote shell crashes during shutdown

[rlenferink]

The remoteShell crashes when stopped because it gets used after it is already destroyed.

ogram received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fffecae3700 (LWP 20314)]
0x00007fffed2e8a65 in logHelper_log (loghelper=0x0, level=OSGI_LOGSERVICE_INFO, 
    message=0x7fffed2e8be0 "CONNECTION_LISTENER: Stopping thread\n")
    at /home/bjoern/Development/inaetics/update.Provisioning/celix/celix/log_service/public/src/log_helper.c:185
185	    if (!logged && loghelper->stdOutFallback) {
(gdb) 
(gdb) bt 
#0  0x00007fffed2e8a65 in logHelper_log (loghelper=0x0, level=OSGI_LOGSERVICE_INFO, 
    message=0x7fffed2e8be0 "CONNECTION_LISTENER: Stopping thread\n")
    at /home/bjoern/Development/inaetics/update.Provisioning/celix/celix/log_service/public/src/log_helper.c:185
#1  0x00007fffed2e728b in connectionListener_stop (instance=0x60f160)
    at /home/bjoern/Development/inaetics/update.Provisioning/celix/celix/remote_shell/private/src/connection_listener.c:100
#2  0x00007fffed2e6f6f in bundleActivator_stop (userData=0x60d3d0, context=0x60e1b0)
    at /home/bjoern/Development/inaetics/update.Provisioning/celix/celix/remote_shell/private/src/activator.c:106
#3  0x00007ffff7bbcdb4 in fw_stopBundle (framework=0x604060, bundle=0x619490, record=false)
    at /home/bjoern/Development/inaetics/update.Provisioning/celix/celix/framework/private/src/framework.c:898
#4  0x00007ffff7bc01a1 in framework_shutdown (framework=0x604060)
    at /home/bjoern/Development/inaetics/update.Provisioning/celix/celix/framework/private/src/framework.c:2063
#5  0x00007ffff5d12182 in start_thread (arg=0x7fffecae3700) at pthread_create.c:312
#6  0x00007ffff747147d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

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Original creation date: 27/Jun/2015 Reporter: @bpetri