updates functions -> fnserver (#516)

* updates functions -> fn-server and fnlb -> fn-lb

* changed to fnserver and fnlb

docs/operating/databases/postgres.md

@@ -1,34 +1,34 @@
 # Fn using Postgres
 
-Let's presuppose you don't have even a postgres DB ready.
+Let's suppose you don't have even a postgres DB ready.
 
-### 1. Let's start a postgres instance:
+## 1. Let's start a postgres instance
 
-```
+```sh
 docker run --name func-postgres \
         -e POSTGRES_PASSWORD=funcpass -d postgres
 ```
 
-### 2. Now let's create a new database for Functions
+## 2. Now let's create a new database for Functions
 
 Creating database:
 
-```
+```sh
 docker run -it --rm --link func-postgres:postgres postgres \
     psql -h postgres -U postgres -c "CREATE DATABASE funcs;"
 ```
 
 Granting access to postgres user
 
-```
+```sh
 docker run -it --rm --link func-postgres:postgres postgres \
     psql -h postgres -U postgres -c 'GRANT ALL PRIVILEGES ON DATABASE funcs TO postgres;'
 ```
 
-### 3. Now let's start Functions connecting to our new postgres instance
+## 3. Now let's start Functions connecting to our new postgres instance
 
-```
+```sh
 docker run --rm --privileged --link "func-postgres:postgres" \
     -e "DB_URL=postgres://postgres:funcpass@postgres/funcs?sslmode=disable" \
-    -it -p 8080:8080 fnproject/functions
+    -it -p 8080:8080 fnproject/fnserver
 ```