Add 'IB Release Notes (IB*2.0*519)' into 'Financial-Administrative/Integrated Billing (IB)/2.0/'

Date-Created: 2014-12-16
Date-Updated: 2014-12-16
Update 'Integrated Billing (IB) V. 2.0 User Manual' in 'Financial-Administrative/Integrated Billing (IB)/2.0/'
Update 'Integrated Billing (IB) V. 2.0 Technical Manual' in 'Financial-Administrative/Integrated Billing (IB)/2.0/'