Basic structure for server
Created Song, Skill model in database.models.core
Moved core.py to models/core.py
Models for core functionality
First working version of databse
Able to see list of songs
Write unit tests for database.core classes
Rename requirements file and relax module patch versions
Import missing jsonify
Add indexes to database using migration
Python gitignore
Merge branch 'database' of github.com:guitar-academy/gaserver into database

Conflicts:
	application/views.py
	virtualenv_requirements.txt
use requirements.txt instead
CRUD API for Song, Skill and Warmup
Merge branch 'database' of https://github.com/guitar-academy/gaserver into database
Don't Track database file
Fix Migration. Missing table creation
Merge to take installation instruction in README
Removed api subdomain and change to /uri in REST api
Updated long string fiels to using Text