Tweak instructions based on first round of feedback

DEVELOP.md

@@ -11,6 +11,8 @@ Dependencies:
 
 ### 1. Install Dependencies
 
+This is for a Mac install. Other OSs will have similar procedures (using e.g. apt-get or yum).
+
 ```bash
 brew install Python                #brew will install the latest Python 2.7.9, which includes pip
 brew install postgres				
@@ -23,27 +25,25 @@ pip install virtualenv
 
 ```bash
 virtualenv venv                    # Initialize a new virtual environment.
-source venv/bin/activate           # Activate your virtual environment. This is the only command you will need to run every time you start the app.
+source venv/bin/activate           # Activate your virtual environment.
 pip install -r requirements.txt    # Install python requirements into virtualenv
-npm install                        # Install JS requirements and packages in package.json
+npm install                        # Install JS requirements from package.json
 make initenv                       # Initialize environment file.
-$EDITOR ENV.sh                     # Fill in values. (see next step)
+$EDITOR ENV.sh                     # Fill in values. (see Step #3)
+```
+
+After the initial setup, the only command you'll need to run is:
+```
+source venv/bin/activate
 ```
 
 
-### 3. Edit the ENV.sh file (generated by `make initenv`)
+### 3. Create your ENV.sh file
 
-Environment variables which must be exported--edit them in the ENV.sh file make
-made for you.
+You will need to generate an ENV.sh file using 'make initenv'. ENV.sh contains environment variables that need to be exported. You may need to tweak some settings for your installation.
 
 ```
-export PORT=5000
-export DATABASE_URI=postgres:///cycledash'
-export CELERY_BACKEND='db+sqlite:///celery.db'
-export CELERY_BROKER='amqp://localhost'
-export WEBHDFS_USER=username
-export WEBHDFS_URL=http://example.com:5000
-export TYPEKIT_URL="yourtypekitURLwithfontsincluded"
+make initenv
 ```
 
 
@@ -56,7 +56,6 @@ On OS X, setting up and running psql might look like this:
 ```bash
 postgres -D /usr/local/var/postgres
 createdb cycledash
-psql cycledash
 psql cycledash < schema.sql        # This loads the schema
 ```
 
@@ -67,7 +66,8 @@ You can iterate more quickly on JavaScript with the following:
 
 ```
 npm install gulp -g     # Make sure you have gulp installed.
-gulp                    # Compile the JS and start the automatic compiler and live-reloader.
+gulp                    # Compile the JS and start the automatic 
+						# compiler and live-reloader.
                         
 ```
 
@@ -103,7 +103,8 @@ gulp prod
 
 ### 7. Run RabbitMQ (and keep it running)
 
-To test the workers locally, you'll need to install and run rabbitmq during development. For example, on Mac OS X, you can do this via:
+To test the workers locally, you'll need to install and run rabbitmq 
+during development. For example, on Mac OS X, you can do this via:
 
 ```
 /usr/local/opt/rabbitmq/sbin/rabbitmq-server