Crashlytics, Localytics, TestFlight + password change warnings.

[ADDED]     Crashlytics, Localytics.
[IMPROVED]  Async TestFlight takeOff.
[REMOVED]   TestFlight token hidden.
[FIXED]     Warnings, mostly to do with sign conversions.
[ADDED]     Warning messages whenever site's password changes, allowing
            the user to cancel the operation.
[ADDED]     Make password counter resettable by holding down on the
            counter increment button.

MasterPassword-iOS.xcodeproj/xcshareddata/xcschemes/MasterPassword (Development).xcscheme

@@ -68,14 +68,14 @@
       shouldUseLaunchSchemeArgsEnv = "YES"
       savedToolIdentifier = ""
       useCustomWorkingDirectory = "NO"
-      buildConfiguration = "Release"
+      buildConfiguration = "AdHoc"
       debugDocumentVersioning = "YES">
    </ProfileAction>
    <AnalyzeAction
       buildConfiguration = "Debug">
    </AnalyzeAction>
    <ArchiveAction
-      buildConfiguration = "Release"
+      buildConfiguration = "AdHoc"
       revealArchiveInOrganizer = "YES">
    </ArchiveAction>
 </Scheme>