UPDATE: new files
ADD: setup.py

Add setup files to add pyphon to pyphon path.
ENH: plotting class

Added new plotting class to retrieve info from user interaction.
MAJOR update: new textgrid class

add distribute_setup.py for setup.py
MAJOR UPDATE: cleaned up excess classes and functions.
Merge pull request #1 from t3on/teon

Major updates: Textgrid and Sound class