import migrations and don't require diesel_cli for admins (#555)

* import migrations via macro

* panic on database not to the latest migration

* add subcommand to plm

* create migration that run tantivy index creation

* remove diesel_cli from places it was

* use our migration system for tests

* create table __diesel_schema_migrations if needed

.circleci/images/plume-buildenv/Dockerfile

@@ -13,7 +13,6 @@ RUN curl https://sh.rustup.rs -sSf | sh -s -- --default-toolchain nightly-2019-0
 
 #compile some deps
 RUN cargo install cargo-web &&\
-    cargo install diesel_cli --no-default-features --features postgres,sqlite --version '=1.3.0' &&\
     rm -fr ~/.cargo/registry
 
 #install coverage tools