fix for bug #1021 -- check for cxxtest
fix for bug #1021 -- check for cxxtest

If cxxtest is not installed, then do not run the unit tests.

Selameab/opencog,UIKit0/atomspace,ruiting/opencog,inflector/atomspace,anitzkin/opencog,shujingke/opencog,cosmoharrigan/opencog,yantrabuddhi/opencog,rodsol/atomspace,ArvinPan/opencog,williampma/atomspace,inflector/opencog,sumitsourabh/opencog,williampma/opencog,cosmoharrigan/opencog,ceefour/opencog,jlegendary/opencog,gavrieltal/opencog,rohit12/atomspace,TheNameIsNigel/opencog,gaapt/opencog,rodsol/opencog,Selameab/atomspace,printedheart/opencog,printedheart/atomspace,inflector/opencog,kim135797531/opencog,inflector/opencog,cosmoharrigan/opencog,roselleebarle04/opencog,rohit12/opencog,misgeatgit/opencog,rTreutlein/atomspace,ArvinPan/atomspace,andre-senna/opencog,ceefour/opencog,UIKit0/atomspace,rohit12/atomspace,virneo/opencog,misgeatgit/opencog,jlegendary/opencog,virneo/atomspace,jlegendary/opencog,williampma/atomspace,virneo/atomspace,Allend575/opencog,Tiggels/opencog,misgeatgit/opencog,tim777z/opencog,inflector/opencog,inflector/opencog,yantrabuddhi/opencog,ceefour/atomspace,prateeksaxena2809/opencog,kim135797531/opencog,sanuj/opencog,misgeatgit/opencog,ceefour/atomspace,eddiemonroe/atomspace,sanuj/opencog,printedheart/opencog,ArvinPan/atomspace,rohit12/atomspace,tim777z/opencog,iAMr00t/opencog,Selameab/opencog,anitzkin/opencog,ceefour/atomspace,shujingke/opencog,andre-senna/opencog,jswiergo/atomspace,ruiting/opencog,ArvinPan/opencog,ceefour/atomspace,anitzkin/opencog,sumitsourabh/opencog,iAMr00t/opencog,williampma/opencog,Allend575/opencog,virneo/opencog,yantrabuddhi/atomspace,roselleebarle04/opencog,printedheart/atomspace,prateeksaxena2809/opencog,iAMr00t/opencog,andre-senna/opencog,andre-senna/opencog,shujingke/opencog,UIKit0/atomspace,Tiggels/opencog,virneo/opencog,cosmoharrigan/atomspace,williampma/opencog,eddiemonroe/opencog,gaapt/opencog,iAMr00t/opencog,rohit12/opencog,tim777z/opencog,cosmoharrigan/opencog,inflector/atomspace,Allend575/opencog,rodsol/atomspace,rodsol/opencog,gavrieltal/opencog,eddiemonroe/opencog,kim135797531/opencog,inflector/atomspace,gaapt/opencog,eddiemonroe/atomspace,AmeBel/atomspace,printedheart/opencog,rohit12/opencog,printedheart/atomspace,ArvinPan/opencog,kinoc/opencog,misgeatgit/opencog,Selameab/atomspace,iAMr00t/opencog,roselleebarle04/opencog,sanuj/opencog,roselleebarle04/opencog,ruiting/opencog,williampma/opencog,shujingke/opencog,eddiemonroe/atomspace,anitzkin/opencog,rodsol/atomspace,rohit12/atomspace,yantrabuddhi/atomspace,MarcosPividori/atomspace,rTreutlein/atomspace,ArvinPan/opencog,Selameab/opencog,roselleebarle04/opencog,Selameab/atomspace,kim135797531/opencog,gaapt/opencog,prateeksaxena2809/opencog,sumitsourabh/opencog,prateeksaxena2809/opencog,jswiergo/atomspace,rodsol/opencog,Selameab/atomspace,misgeatgit/opencog,ceefour/opencog,anitzkin/opencog,ruiting/opencog,TheNameIsNigel/opencog,inflector/opencog,misgeatgit/atomspace,AmeBel/atomspace,eddiemonroe/opencog,ceefour/opencog,eddiemonroe/opencog,tim777z/opencog,cosmoharrigan/atomspace,jlegendary/opencog,inflector/opencog,eddiemonroe/opencog,MarcosPividori/atomspace,ruiting/opencog,printedheart/opencog,ArvinPan/opencog,misgeatgit/opencog,TheNameIsNigel/opencog,sumitsourabh/opencog,AmeBel/atomspace,TheNameIsNigel/opencog,kinoc/opencog,Selameab/opencog,yantrabuddhi/opencog,Tiggels/opencog,cosmoharrigan/atomspace,Tiggels/opencog,printedheart/opencog,kinoc/opencog,misgeatgit/atomspace,prateeksaxena2809/opencog,rodsol/opencog,gaapt/opencog,shujingke/opencog,sumitsourabh/opencog,shujingke/opencog,ceefour/opencog,AmeBel/opencog,MarcosPividori/atomspace,inflector/atomspace,misgeatgit/atomspace,sanuj/opencog,eddiemonroe/opencog,kinoc/opencog,shujingke/opencog,gaapt/opencog,yantrabuddhi/opencog,rTreutlein/atomspace,gavrieltal/opencog,ArvinPan/opencog,Allend575/opencog,kim135797531/opencog,williampma/opencog,yantrabuddhi/atomspace,AmeBel/opencog,inflector/atomspace,MarcosPividori/atomspace,Selameab/opencog,andre-senna/opencog,jswiergo/atomspace,rohit12/opencog,eddiemonroe/atomspace,sanuj/opencog,rTreutlein/atomspace,Tiggels/opencog,rTreutlein/atomspace,cosmoharrigan/opencog,andre-senna/opencog,AmeBel/opencog,yantrabuddhi/opencog,kinoc/opencog,Allend575/opencog,roselleebarle04/opencog,yantrabuddhi/opencog,AmeBel/opencog,ceefour/opencog,Tiggels/opencog,yantrabuddhi/atomspace,ceefour/opencog,jlegendary/opencog,ArvinPan/atomspace,anitzkin/opencog,gavrieltal/opencog,misgeatgit/atomspace,prateeksaxena2809/opencog,rodsol/atomspace,misgeatgit/opencog,anitzkin/opencog,tim777z/opencog,misgeatgit/opencog,kinoc/opencog,gavrieltal/opencog,eddiemonroe/opencog,TheNameIsNigel/opencog,tim777z/opencog,Allend575/opencog,ArvinPan/atomspace,eddiemonroe/atomspace,williampma/opencog,sanuj/opencog,rodsol/opencog,jswiergo/atomspace,Selameab/opencog,yantrabuddhi/opencog,yantrabuddhi/atomspace,UIKit0/atomspace,virneo/opencog,printedheart/atomspace,sumitsourabh/opencog,ruiting/opencog,rohit12/opencog,virneo/atomspace,iAMr00t/opencog,AmeBel/atomspace,misgeatgit/atomspace,williampma/atomspace,roselleebarle04/opencog,kinoc/opencog,Allend575/opencog,ruiting/opencog,gaapt/opencog,gavrieltal/opencog,rodsol/opencog,andre-senna/opencog,cosmoharrigan/opencog,kim135797531/opencog,jlegendary/opencog,kim135797531/opencog,williampma/atomspace,virneo/opencog,inflector/opencog,cosmoharrigan/atomspace,printedheart/opencog,TheNameIsNigel/opencog,jlegendary/opencog,AmeBel/atomspace,rohit12/opencog,gavrieltal/opencog,AmeBel/opencog,AmeBel/opencog,virneo/opencog,prateeksaxena2809/opencog,AmeBel/opencog,virneo/opencog,sumitsourabh/opencog,virneo/atomspace