#6 a working code for setting user and password
#6 a working code for finding an internet password from the keychain
#6 a bit tidier code for keychain manager
#6 make request in app did finish launch not needed, since via kvo of jenkins url we call make request
#6 added last error message for keychain manager
#6 secured flag for JMJenkins and proper credentials window closing
#6 new state: secured but no credential
#6 reformatting
#6 retrieving the credential from the keychain and if it's there we set the credential and go again
#6 asks for credential, when it's not found in the keychain. stores the credential when the check box is on. reads the keychain item when there.
#6 ready to handle unauthorized...