functional powerups! added hooks in the spaceobject for powerups, and added a few basic powerups.
add support to call remote service for high scores, modularize some things with game over situation. -allow entering a nickname, and store level reached
-add gulp support, -add gulp script to concat files into a single js for easier distribution to other locations
Create alienship.js
remove spaceship changes
added rough skeleton of some functions to be completed later
fixed typos
resolve merge conflicts
add powerups to scripts include, fix alienship velocity and add shooting, add some helpers to game and spaceobject
fix alienship shoot, velocity, and update