Default the application timer to NanoTimer.  I did this during construction so that the default JmeContext timer could potentially still be used by calling app.setTimer(null) from an apps main().  In that case, the previous behavior of pulling the timer from JmeContext during init would happen.
Default the application timer to NanoTimer.  I did this
during construction so that the default JmeContext timer
could potentially still be used by calling app.setTimer(null)
from an apps main().  In that case, the previous behavior
of pulling the timer from JmeContext during init would happen.


git-svn-id: f9411aee4f13664f2fc428a5b3e824fe43a079a3@8588 75d07b2b-3a1a-0410-a2c5-0572b91ccdca

g-rocket/jmonkeyengine,atomixnmc/jmonkeyengine,g-rocket/jmonkeyengine,bsmr-java/jmonkeyengine,GreenCubes/jmonkeyengine,GreenCubes/jmonkeyengine,danteinforno/jmonkeyengine,nickschot/jmonkeyengine,wrvangeest/jmonkeyengine,sandervdo/jmonkeyengine,olafmaas/jmonkeyengine,olafmaas/jmonkeyengine,danteinforno/jmonkeyengine,amit2103/jmonkeyengine,OpenGrabeso/jmonkeyengine,OpenGrabeso/jmonkeyengine,mbenson/jmonkeyengine,rbottema/jmonkeyengine,atomixnmc/jmonkeyengine,GreenCubes/jmonkeyengine,atomixnmc/jmonkeyengine,skapi1992/jmonkeyengine,shurun19851206/jMonkeyEngine,davidB/jmonkeyengine,Georgeto/jmonkeyengine,yetanotherindie/jMonkey-Engine,Georgeto/jmonkeyengine,danteinforno/jmonkeyengine,zzuegg/jmonkeyengine,atomixnmc/jmonkeyengine,yetanotherindie/jMonkey-Engine,OpenGrabeso/jmonkeyengine,sandervdo/jmonkeyengine,danteinforno/jmonkeyengine,shurun19851206/jMonkeyEngine,davidB/jmonkeyengine,mbenson/jmonkeyengine,tr0k/jmonkeyengine,delftsre/jmonkeyengine,yetanotherindie/jMonkey-Engine,weilichuang/jmonkeyengine,yetanotherindie/jMonkey-Engine,zzuegg/jmonkeyengine,jMonkeyEngine/jmonkeyengine,wrvangeest/jmonkeyengine,InShadow/jmonkeyengine,aaronang/jmonkeyengine,shurun19851206/jMonkeyEngine,d235j/jmonkeyengine,weilichuang/jmonkeyengine,tr0k/jmonkeyengine,amit2103/jmonkeyengine,d235j/jmonkeyengine,bertleft/jmonkeyengine,atomixnmc/jmonkeyengine,aaronang/jmonkeyengine,skapi1992/jmonkeyengine,delftsre/jmonkeyengine,rbottema/jmonkeyengine,jMonkeyEngine/jmonkeyengine,davidB/jmonkeyengine,delftsre/jmonkeyengine,tr0k/jmonkeyengine,nickschot/jmonkeyengine,g-rocket/jmonkeyengine,amit2103/jmonkeyengine,weilichuang/jmonkeyengine,rbottema/jmonkeyengine,yetanotherindie/jMonkey-Engine,g-rocket/jmonkeyengine,bsmr-java/jmonkeyengine,danteinforno/jmonkeyengine,OpenGrabeso/jmonkeyengine,aaronang/jmonkeyengine,Georgeto/jmonkeyengine,sandervdo/jmonkeyengine,zzuegg/jmonkeyengine,d235j/jmonkeyengine,mbenson/jmonkeyengine,wrvangeest/jmonkeyengine,weilichuang/jmonkeyengine,bsmr-java/jmonkeyengine,phr00t/jmonkeyengine,g-rocket/jmonkeyengine,weilichuang/jmonkeyengine,amit2103/jmonkeyengine,bertleft/jmonkeyengine,skapi1992/jmonkeyengine,davidB/jmonkeyengine,tr0k/jmonkeyengine,Georgeto/jmonkeyengine,bsmr-java/jmonkeyengine,nickschot/jmonkeyengine,danteinforno/jmonkeyengine,zzuegg/jmonkeyengine,d235j/jmonkeyengine,Georgeto/jmonkeyengine,InShadow/jmonkeyengine,sandervdo/jmonkeyengine,InShadow/jmonkeyengine,mbenson/jmonkeyengine,amit2103/jmonkeyengine,olafmaas/jmonkeyengine,Georgeto/jmonkeyengine,OpenGrabeso/jmonkeyengine,aaronang/jmonkeyengine,weilichuang/jmonkeyengine,olafmaas/jmonkeyengine,g-rocket/jmonkeyengine,d235j/jmonkeyengine,davidB/jmonkeyengine,mbenson/jmonkeyengine,skapi1992/jmonkeyengine,wrvangeest/jmonkeyengine,InShadow/jmonkeyengine,rbottema/jmonkeyengine,mbenson/jmonkeyengine,OpenGrabeso/jmonkeyengine,GreenCubes/jmonkeyengine,jMonkeyEngine/jmonkeyengine,phr00t/jmonkeyengine,delftsre/jmonkeyengine,phr00t/jmonkeyengine,amit2103/jmonkeyengine,jMonkeyEngine/jmonkeyengine,d235j/jmonkeyengine,atomixnmc/jmonkeyengine,bertleft/jmonkeyengine,shurun19851206/jMonkeyEngine,phr00t/jmonkeyengine,yetanotherindie/jMonkey-Engine,bertleft/jmonkeyengine,davidB/jmonkeyengine,shurun19851206/jMonkeyEngine,shurun19851206/jMonkeyEngine,nickschot/jmonkeyengine