Reduce unused space in generated image of RnR_Report

Increase the amount of rows in GridSpec to minimize the height of each row
Replace subplot containing the final thoughts with a text object placed in the final row

----------------------------------------------------- Old Layout ----------------------------------------------------- old_layout_unacceptable old_layout_ok old_layout_acceptable

----------------------------------------------------- New Layout ----------------------------------------------------- new_layout_unacceptable new_layout_acceptable new_layout_ok

jgherruzo / pyPETB

Reduce unused space in generated image of RnR_Report #46