Re-enable guiPage button.   Remove alpha processing.
Merge pull request #1 from chipaudette/feature_ButtonAndUnits

Feature re-enable button and fix FFT units
Adding gitignore to help keep unneeded files out of the commit
Removing all of the unneeded intermediate files created by the mac version of Processing
Merge remote-tracking branch 'origin/master' into feature_alphaDetection

Conflicts:
	OpenBCI_GUI/EEG_Processing.pde