Added minor code to test that the database was decrypted successfully. The cryptorStatus != kCCSuccess conditional never seems to be triggered after testing with several bad passwords.
Disabled code signing so that the project can be built and run.

This is for my own purposes because I don’t have an Apple Developer
subscription.
Fixed issue with blank outline and entry views if the inspector was hidden before unlocking the database.
Implemented context menu validation.
Implemented Edit button; it must be clicked to modify an entry.
Revert "Added minor code to test that the database was decrypted successfully. The cryptorStatus != kCCSuccess conditional never seems to be triggered after testing with several bad passwords."

This reverts commit f125e2fb41be12cca4c9e310774cbc3fcc74ea4f.
Revert the KeePassKit commit.

I seem to have performed this commit wrong.
Merge pull request #134 from cseng/master

Some bug fixes and enhancements