Merge pull request 'need libpq-dev lib for rpm-based distros, fix deprecated cargo command usage' (#90) from clasick/documentation:dev into dev

Reviewed-on: plume/documentation#90

source/installation/deps/rpm.html.md

@@ -4,7 +4,7 @@ title: Installing dependencies on RPM-based systems
 
 ```bash
 # If you want PostgreSQL
-dnf install postgresql-server postgresql-contrib libpqxx libpqxx-devel git curl gcc make openssl openssl-devel gettext clang-devel
+dnf install postgresql-server postgresql-contrib libpqxx libpqxx-devel libpq-devel git curl gcc make openssl openssl-devel gettext clang-devel
 
 # If you want SQLite
 dnf install libsq3-devel sqlite3 libsqlite3-dev git curl gcc make openssl openssl-devel gettext clang-devel

source/installation/with/source-code.html.md

@@ -21,7 +21,7 @@ cargo web deploy -p plume-front --release
 
 # Build the back-end, replacing DATABASE either with
 # postgres or sqlite depending on what you want to use
-cargo install --no-default-features --features DATABASE
+cargo install --no-default-features --features DATABASE --path .
 
 # Build plm, the CLI helper, replacing DATABASE again
 cargo install --no-default-features --features DATABASE --path plume-cli