Add Jira information on README
Wakelock before run tests
Check if SQLStore is opened
Check if EncryptedStore is opened
FIx SQLStoreTest name
Add Assert.fail
Add the StoreNotOpenException into the throws clause
Add check in method isEmpty()
Add description for throws
Create ensureOpen method
Merge branch 'pr/17'

closes #17
Add save collection on MemoryStore
Add save collection on EncryptedMemoryStore
Add save collection on SQLStore
Add save collection on EncryptedSQLStore
Merge branch 'pr/19'

closes #19
Update Maven Android Plugin to 4.0.0
disable release of tests if -Drelease is passed
Merge branch 'pr/21'