Merge pull request #51 from sli-fox/ajay_branch3

Removed player high score references, fixed blacky offscreen  wall collision
Added waveSpecs and nextWaveSpecs and fixed towerSpecs
Added waveSpecs and nextWaveSpecs and fixed towerSpecs
Merge pull request #52 from sli-fox/marky_branch

Marky branch
Added the id check in tower canAttack
Merge branch 'master' of https://github.com/sli-fox/jamms into ajay_branch3