Add tests for wf-client.
Rename method "pull" to "poll".
Moved to GeneralTaskServer
ExpirationRecovery for tasks feature added
Moved to GeneralTaskServer
Task expiration recovery feature added
Bootstrap as Unit-test
bugfix
Merge branch 'develop' of https://github.com/taskurotta/taskurotta.git
into develop

Conflicts:
	wf-backend/src/main/java/ru/taskurotta/backend/storage/MemoryStorageBackend.java
	wf-backend/src/main/java/ru/taskurotta/backend/storage/StorageBackend.java
Bootstrap test with peer tasks
bugfix
Merge branch 'develop' of https://github.com/taskurotta/taskurotta.git into develop
NoWait test with 4 stages
Refactoring wf-example
Refactoring of expired task recovery config
Merge branch 'develop' of https://github.com/taskurotta/taskurotta.git into develop
TaskServerGeneral deleted in favor for GeneralTaskServer
Merge remote-tracking branch 'origin/develop' into develop
Moved test classes implementations
(RuntimeConfigPathXmlApplicationContext and
SpreaderConfigPathXmlApplicationContext) to separate package
Add check that the @Asynchronous and @Execute methods must be public.
Merge remote-tracking branch 'origin/develop' into develop
Removed unused imports