updated readme
Merge pull request #1 from Brennan-M/Ian

Made skeleton for login and downloaded Bootstrap
Merge pull request #2 from Brennan-M/Ian

Created basic login template page
Merge branch 'master' of https://github.com/Brennan-M/ExpenShare
Linked the two pages
ExpenShare: Added more webpages to website

Added html page for transaction history in table format, dialogue
boxes for joining and creating a group, and a pop-up menu for
entering in new expenses. Also added additional capability to
current webpages.
ExpenShare: delete unnecessary CSS file
Tried to add some databases (untested!)