added ball intake relays.
adjusted variable name from static vars.
removed unused limit switch.
cleaned up button mapping and changed variable names to better alternatives.
commented out unused limit switch.
edited ball retriever class to use relays to move ball retriever.
added ball intake wheels buttons
edited ball retriever to use wheels to intake ball.
changed button mapping.
stylistic edits, spacing and such.
added ball retriever object for ball control and code conciseness.
edited style to make easier to read.