Updating API version number, adding TS version
Updating API version number, adding TS version

Updating the API version number from 8.0 to 8.2
Adding TypeScript version 2.1 to the header to allow the unit tests to
compile using const string variables for attribute.setSubmitMode and
attribute.setRequiredLevel methods with the removed string union.

abbasmhd/DefinitelyTyped,amir-arad/DefinitelyTyped,borisyankov/DefinitelyTyped,minodisk/DefinitelyTyped,benishouga/DefinitelyTyped,AgentME/DefinitelyTyped,laurentiustamate94/DefinitelyTyped,jimthedev/DefinitelyTyped,minodisk/DefinitelyTyped,johan-gorter/DefinitelyTyped,dsebastien/DefinitelyTyped,benishouga/DefinitelyTyped,aciccarello/DefinitelyTyped,aciccarello/DefinitelyTyped,smrq/DefinitelyTyped,AbraaoAlves/DefinitelyTyped,georgemarshall/DefinitelyTyped,progre/DefinitelyTyped,GiedriusGrabauskas/DefinitelyTyped,QuatroCode/DefinitelyTyped,johan-gorter/DefinitelyTyped,one-pieces/DefinitelyTyped,rolandzwaga/DefinitelyTyped,zuzusik/DefinitelyTyped,jimthedev/DefinitelyTyped,markogresak/DefinitelyTyped,arusakov/DefinitelyTyped,YousefED/DefinitelyTyped,ashwinr/DefinitelyTyped,nycdotnet/DefinitelyTyped,alexdresko/DefinitelyTyped,nycdotnet/DefinitelyTyped,AbraaoAlves/DefinitelyTyped,isman-usoh/DefinitelyTyped,mcrawshaw/DefinitelyTyped,benishouga/DefinitelyTyped,AgentME/DefinitelyTyped,mcliment/DefinitelyTyped,alexdresko/DefinitelyTyped,AbraaoAlves/DefinitelyTyped,isman-usoh/DefinitelyTyped,AgentME/DefinitelyTyped,progre/DefinitelyTyped,jimthedev/DefinitelyTyped,rolandzwaga/DefinitelyTyped,chrootsu/DefinitelyTyped,zuzusik/DefinitelyTyped,zuzusik/DefinitelyTyped,georgemarshall/DefinitelyTyped,ashwinr/DefinitelyTyped,magny/DefinitelyTyped,arusakov/DefinitelyTyped,smrq/DefinitelyTyped,aciccarello/DefinitelyTyped,AgentME/DefinitelyTyped,GiedriusGrabauskas/DefinitelyTyped,YousefED/DefinitelyTyped,chrootsu/DefinitelyTyped,mcrawshaw/DefinitelyTyped,abbasmhd/DefinitelyTyped,georgemarshall/DefinitelyTyped,benliddicott/DefinitelyTyped,arusakov/DefinitelyTyped,magny/DefinitelyTyped,borisyankov/DefinitelyTyped,georgemarshall/DefinitelyTyped,dsebastien/DefinitelyTyped,QuatroCode/DefinitelyTyped