Ensure that a keystore intended for a keymanager has private keys
Add a check for null/empty password in PKCS12 keystore.
Update to sbt-web 1.1.0
Merge pull request #3261 from pvlugter/sbt-web-1.1.0

Update to sbt-web 1.1.0
Fixes #3260
Merge pull request #3262 from alias1/patch-1

Fixes #3260
Clean up code according to review, add a check for invalid password.
Merge pull request #3252 from wsargent/ws-warn-on-keystore-wo-private-key

Ensure that a keystore intended for a keymanager has private keys