Merge pull request #4 from memaldi/master

New data generated by Pig
Create README.md
Updated readme
Added requirements.txt to bizkaisense_sql
Merge pull request #5 from memaldi/master

Added Pig script
Ignored database configuration
Updated D2R mapping
Updated requirements
Database configuration from settings
Merge branch 'master' of https://github.com/jonlazaro/bizkaisense
Updated readme file
Ignored production D2R mapping
Updated D2R mapping
Ignored ST3 files
Corrected indentation errors
Solved format errors
Added new API method (get all stations)
Merge with master
Added robots.txt to urls.py
Added sqoop scripts