Update readme with more specific instructions for installation

Readme.md

@@ -14,11 +14,18 @@ This tool allows you to:
 ![change factors](/img/RasterVis-ChangeFactor.gif)
 
 ### Installation
-To run RasterVis locally, you need a to set up a local web server. For example using Python (2.x), browse to the main folder and run:
-``` python -m SimpleHTTPServer 8888 ```. Then open http://localhost:8888/ in your browser.
+To run RasterVis locally, you need to install the dependencies and set up a local web server.
+
+To install the dependencies and start a webserver, run:
+```
+npm install
+npm run postinstall
+
+```
 
 ### Data Format and Naming
 All files must be in the JSON format.
+Time should be measured in milliseconds.
 
 All data must be placed in the /DATA folder
 
@@ -33,21 +40,19 @@ There are three main file types:
 
 The trialInfo.json contains an array of three objects structured as follows:
 <pre> 
-|--Subject (NOTE TO SELF: change name to subject instead of monkey)
- |--name: Name of subject
- |--sessionNames
- |----name: Name of session
- |----neurons: Array of neuron names
-
-|--timePeriods (NOTE TO SELF: change name to trialEvents)
+|--neurons
+ |--name: Name of neuron
+ |--sessionName: Name of session
+|--timePeriods
  |--name: Name of trial event
  |--label: Short label of trial event
  |--startID: Beginning of trial event
  |--endID: End of trial event
  |--color: Color of trial event
 |--experimentalFactor
  |--name: Name of experimental factor to sort by
- |--value: experimental factor key (NOTE TO SELF: change name to key)
+ |--value: experimental factor key
+ |--factorType: continuous | categorical | ordinal
 </pre>
 
 The (sessionName)_TrialInfo.json is an array of objects corresponding to each trial. Each trial object contains the properties corresponding to trial events and experimental factors. For example: