Remove default definition of log_file so can be provided via Java property
Remove default definition of log_file so can be provided via Java property

git-svn-id: 52ad764cdf1b64a6e804f4e5ad13917d3c4b2253@351556 13f79535-47bb-0310-9956-ffa450edef68

ubikfsabbe/jmeter,etnetera/jmeter,ubikloadpack/jmeter,ra0077/jmeter,tuanhq/jmeter,vherilier/jmeter,DoctorQ/jmeter,d0k1/jmeter,ubikloadpack/jmeter,ubikloadpack/jmeter,ra0077/jmeter,etnetera/jmeter,etnetera/jmeter,d0k1/jmeter,hizhangqi/jmeter-1,etnetera/jmeter,DoctorQ/jmeter,d0k1/jmeter,hemikak/jmeter,ubikfsabbe/jmeter,ThiagoGarciaAlves/jmeter,fj11/jmeter,vherilier/jmeter,max3163/jmeter,kschroeder/jmeter,d0k1/jmeter,liwangbest/jmeter,max3163/jmeter,hemikak/jmeter,irfanah/jmeter,ubikfsabbe/jmeter,kschroeder/jmeter,hizhangqi/jmeter-1,hemikak/jmeter,ThiagoGarciaAlves/jmeter,hizhangqi/jmeter-1,kyroskoh/jmeter,etnetera/jmeter,thomsonreuters/jmeter,kyroskoh/jmeter,ubikfsabbe/jmeter,irfanah/jmeter,DoctorQ/jmeter,thomsonreuters/jmeter,ThiagoGarciaAlves/jmeter,hemikak/jmeter,fj11/jmeter,max3163/jmeter,tuanhq/jmeter,max3163/jmeter,liwangbest/jmeter,ra0077/jmeter,thomsonreuters/jmeter,irfanah/jmeter,fj11/jmeter,vherilier/jmeter,vherilier/jmeter,tuanhq/jmeter,liwangbest/jmeter,ubikloadpack/jmeter,ra0077/jmeter,kschroeder/jmeter,kyroskoh/jmeter