Merge remote-tracking branch 'upstream/master'
Creat folder and starting file for anmimal shelter project
menu, classes and methods added for the shelter work
Merge remote-tracking branch 'upstream/master'
basic file structure for brokerage homework - plus working data calls.
converted yahoo stock object into hash. Also added menu options and client object.
added extra menu items and todo comments for remainder of the project
create client functionality added - plus colour
added funcitoinality to menu.rb for client to buy a stock
added list porfolioi function to client and brokerage objects.  Pulls out portfolio but need to format
list portfolioi function expanded and formatted.  Need to add profit/loss column
changed trades into definied classes rather than as a hash - updated where necessary
finished formatting of porftolio view.  Added net worth and availiable cash.  TODO - sell shares
Mike - Homework fisnihed - all functionality works.  May tidy code up a bit but everything works as I want
ironed out minor bugs (calculations wrong way round) - also added in full dump of stock prices
issue with cliens initlailizing with stock that didn't exist
minor changes to menu outputs
Merge pull request #54 from mikemjharris/master

mike - homework at end of week1