fix links
java.lang.ClassCastException for SpiceService$SpiceServiceBinder

To fix java.lang.ClassCastException: android.os.BinderProxy cannot be cast to com.octo.android.robospice.SpiceService$SpiceServiceBinder.
Don't attempt to retry a request when the network is down
request processor listeners loss fix
remove multiple unbinding
Make submodule track master branch of origin of RoboSpice samples
    Change getThreadCount to getCoreThreadCount and getMaximumThreadCount in order to configure ThreadPoolExecutor core and maximum number of threads

    backwards compatibility tests

    Fix test

    Allow seting keep alive time on executor service
Merge branch 'nonetwork-noretry' of https://github.com/softwaremaverick/robospice into softwaremaverick-nonetwork-noretry
Change tests to get sure retry policy is skipped when network is down.
Merge branch 'softwaremaverick-nonetwork-noretry'
Merge branch 'listenersLossFix' of https://github.com/seva-ask/robospice into seva-ask-listenersLossFix
Update readme and minor checkstyle fix.
Merge branch 'seva-ask-listenersLossFix'
Merge pull request #301 from seva-ask/removeMultipleUnbinding

remove multiple unbinding
Update CHANGELOG
Merge branch 'dynamicThreadPool' of https://github.com/jorgevila/robospice into jorgevila-dynamicThreadPool
Only allow to dispose core threads when timeout is positive
try to repair Travis and remove eclipse warnings in poms
Try to fix travis
Null detection for spiceService is missing.

Null detection for spiceService is missing onServiceDisconnected. Since spiceService might be null onServiceConnected. And also checked all null detections in rest of SpiceManager class.