This commit should greatly simplify all password handling logic. No passwords are stored in the config dict anymore. Only the Encrypted Journals have any password related logic. I also had to remove some password fields from the test files, which shows how dangerous the previous approach was. A slight code change could've leaked passwords to the config file. However, I had to change the install progress a little bit to make this work. It will now not ask you for a password right away but rather if you want to encrypt or not. Only if you reply 'y' will it ask you for the password later on.
Add failing test for configuring an encrypted journal
Overload open for EncryptedJournal
This avoids the execution path that calls EncryptedJournal._create()
without a password parameter. It results in duplication of code that
requests and stores a password, which should be factored out in a
subsequent change.
Modify test to test for returned strings
The entered string for the password is not being used by the test and I
don't understand why.
Use util wrapper for getpass
This allows for tests to run without prompting for user input.
