Replaced STKeychain with SSKeychain
Added 'kSecAttrAccessibleAlways' for Keychain access in background
Fixed missing error check

Fixed missing error check for logging
Increases version to Mark 0.7.3
Fixes requiresConnection flag
Merge pull request #383 from Simperium/issue/382-fixes-requires-connection-flag

Fixes requiresConnection flag
Wires POD status images
Merge pull request #375 from prvnl/develop

Replace STKeychain with SSKeychain
Fixes SPAuthenticator in OSX
Updates OSX Unit Tests
Importing SSKeychain in OSX project
Merge pull request #390 from Simperium/issue/389-fixes-osx-project

Fix OSX project
Exports SSKeychain Headers
Fixes SimperiumTests
Merge pull request #391 from Simperium/issue/388-exports-sskeychain-headers

Exports SSKeychain Headers
Merges changes into writerMOC first
Merge pull request #393 from Simperium/issue/392-fixes-index-processor-tests

Merges changes into writerMOC first
Merge pull request #394 from Simperium/develop

Simperium Mark 0.7.3