Installing PostgreSQL:
-* Install Postgres.app from http://postgresapp.com/
+* Install Postgres.app from https://postgresapp.com/
* Add PostgreSQL to your path, by editing your profile:
`nano ~/.profile`
Installing other dependencies:
-* Install Homebrew from http://brew.sh/
+* Install Homebrew from https://brew.sh/
* Install the latest version of Ruby: `brew install ruby`
* Install ImageMagick: `brew install imagemagick`
* Install libxml2: `brew install libxml2 --with-xml2-config`