SchismWizard: Google-y redesign [Part 4]

Moar commits for SchismWizard and this one consists of:
	1) Aims to fix the button text alignment issues
	2) Remove margins from RootLayout and add margins to TextAppearances
	3) Minor whitespace clean-up
	4) Clean-up some colors and dimens

Hope it builds and finishes this all up! :)
Signed-off-by: Chintan Shah <cgintan1998@gmail.com>