Adding 5.4 support to test on Travis CI
Adding 5.4 support to test on Travis CI
mta59066/Validation,ahmetgunes/Validation,osiux/Validation,caferrari/Validation,mrsoto/Validation,Whyounes/Validation,Respect52/Validation,hudolfhess/Validation,riyan8250/Validation,zinovyev/Validation,guilhermesiani/Validation,lalocespedes/Validation,Respect/Validation,maliayas/Validation,rozehnal/Validation,solvire/Validation,thedavidmeister/Validation,Ye-Yong-Chi/Validation,jpjoao/Validation,Respect/Validation,rogeriopradoj/Validation,regdos/Validation,augustohp/Validation,mubassirhayat/Validation