Small library upgrades

[misaugstad]

Resolves #2556

Makes mostly small updates to our libraries. These are almost entirely minor version bumps that we had never bothered to grab. Mostly security fixes and small bug fixes. Here's a list of changes used in production code:

1. Upgrades Scala 2.10.5 -> 2.10.7
2. Upgrades Play Framework 2.3.8 -> 2.3.10
3. Upgrades sbt 0.13.6 -> 0.13.15
4. Upgrades play-slick 0.8.0 -> 0.8.1
5. Upgrades slick-pg 0.8.4 -> 0.8.6
6. Upgrades geotools (gt-shapefile & gt-epsg-hsql) 23.0 -> 25.0
7. Upgrades scala-guice 4.0.0-beta5 -> 4.1.1
8. Upgrades play-jdbc 2.3.8 -> 2.3.10
9. Upgrades anorm 2.3.8 -> 2.3.10
10. Upgrades play-cache 2.3.8 -> 2.3.10
11. Upgrades joda-time 2.10.8 -> 2.10.10
12. Removes sbt-scalariform plugin that we weren't using

And upgrades that are only for the dev environment:

1. Upgrades grunt 1.3.0 -> 1.4.0
2. Upgrades eslint 7.17.0 -> 7.26.0
3. Upgrades stylelint 13.11.0 -> 13.13.1
4. Upgrades stylelint-config-standard 20.0.0 -> 22.0.0
5. I ran npm audit fix to fix most security vulnerabilities in dev dependencies.