Tabified code snippets in the app-purchases guide.
Merge pull request #11 from divineprog/ThreeThree

MoGraph documentation and other updates
Merge pull request #12 from fredrikeldh/ThreeThree

[MOSYNC-3302] Tabified code snippets in the app-purchases guide.
Merge remote-tracking branch 'origin/ThreeThree' into ThreeThree