Improve checking of when to download and unzip the source OpenAL Soft files
Improve checking of when to download and unzip the source OpenAL Soft files

git-svn-id: 680b4df57c8a03f3ad7140f93c14a6a004619d21@10989 75d07b2b-3a1a-0410-a2c5-0572b91ccdca

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