made a default webapp branch from where to start any project
updated Ruby version
updated gitignore file
added nokogiri gem and changed local database to pg
Add College and Major classes with belongs_to_and_has_many associations.
Updated readme file and gitignore to get rid of sql xml files.
Updated database file with sqlite and simplified ReadMe
Merge remote-tracking branch 'origin/master' into rbot_dev1

Conflicts:
	Gemfile
	README.md
	config/database.yml