updated readme

README.md

@@ -1,2 +1,33 @@
 # 2015
-Public material for CS109
+
+##Lab 1
+
+https://github.com/cs109/2015lab1
+
+The git lab can be read [here](https://github.com/cs109/2015lab1/blob/master/Lab1-git.ipynb).
+
+##HW 0
+
+You can read it [here](https://github.com/cs109/2015lab1/blob/master/hw0.ipynb).
+
+The repository is at:
+
+https://github.com/cs109-students/2015hw
+
+Switch to branch hw0.
+
+You will not be able to access the above link if you havent been added to the cs109-students github organization. For this to happen, you must have submitted the survey, and it will take a bit of time for us to get to your github id after that.
+
+For this reason, we have included HW0 in the lab link above.
+
+At that point, homework repositories will be created for you.
+
+##Initial Workflow
+
+- read hw 0, and do the survey and installations
+- then read the git lab in lab 1 linked from within.
+- read the git flows at the end of both these documents
+- now clone the lab repository. (workflow is in the README and at the end of hw 0)
+- Run the hw0.ipynb file, installing additional python libraries
+- run all the lab notebooks, including the git notebook, to get familiar with python, pandas and git
+by this point you should have a cs109-students/githubuserid-2015hw repository, - which you should clone, and carry out the homework flow on. (homework flow is in the README for https://github.com/cs109-students/2015hw and at the end of hw0.ipynb (https://github.com/cs109/2015lab1/blob/master/hw0.ipynb) and (https://github.com/cs109/2015lab1/blob/master/Lab1-git.ipynb).