[TST] Add install of ofxparse to .travis.yml to reenable build test.
[TST] Add install of ofxparse to .travis.yml to reenable build test.

VitalPet/bank-statement-import,open-synergy/bank-statement-import,akretion/bank-statement-import,Antiun/bank-statement-import,Endika/bank-statement-import,acsone/bank-statement-import,StefanRijnhart/bank-statement-import,pedrobaeza/bank-statement-import,hbrunn/bank-statement-import,NL66278/bank-statement-import,rschnapka/bank-statement-import,lbelorgey/bank-statement-import