added src/inmemorystorage.js
merging the two sync test suites
inmemorystorage testing suite
tests for dropbox and wireclient
removeing eventListeners in dropbox and wireclient
removing eventListeners for sync
feature discovery in remotestorage.js
changing indexdb.js to not fail in private mode anymore
Merge branch 'issue_446'
Merge branch 'master' into integration-tests-bugfixes

Conflicts:
	src/sync.js
	src/wireclient.js
	test/unit/sync-suite.js