Fixed problems in haproxy-marathon-bridge script.
Fixed problems in haproxy-marathon-bridge script.

Fixed "unbound local variable" for services which have neither servicePort nor active tasks
Fixed problem with IP-address being used as port in HAproxy for services without a servicePort. Fix skips services where Marathon doesn't return a servicePort

manojlds/marathon,ramitsurana/marathon,cgvarela/marathon,ayouwei/marathon,mesosphere/marathon,guenter/marathon,felixb/marathon,14Zen/marathon,mesosphere/marathon,quamilek/marathon,sledigabel/marathon,rtward/marathon,vivekjuneja/marathon,ss75710541/marathon,okuryu/marathon,guenter/marathon,Kosta-Github/marathon,Caerostris/marathon,mikejihbe/marathon,HardikDR/marathon,ss75710541/marathon,mikejihbe/marathon,pugna0/marathon,spacejam/marathon,bobrik/marathon,guenter/marathon,gsantovena/marathon,guenter/marathon,EasonYi/marathon,bsideup/marathon,cherrydocker/marathon-1,sepiroth887/marathon,titosand/marathon,MrMarvin/marathon,mesosphere/marathon,c089/marathon,Caerostris/marathon,murat-lacework/marathon,cgvarela/marathon,sledigabel/marathon,okuryu/marathon,hangyan/marathon,janisz/marathon,sepiroth887/marathon,SivagnanamCiena/marathon,cherrydocker/marathon-1,14Zen/marathon,timcharper/marathon,gsantovena/marathon,SivagnanamCiena/marathon,matsluni/marathon,meln1k/marathon,meln1k/marathon,14Zen/marathon,IanSaunders/marathon,sielaq/marathon,sledigabel/marathon,lelezi/marathon,murat-lacework/marathon,natemurthy/marathon,IanSaunders/marathon,HardikDR/marathon,meln1k/marathon,guenter/marathon,okuryu/marathon,Yhgenomics/marathon,SivagnanamCiena/marathon,timcharper/marathon,Yhgenomics/marathon,ss75710541/marathon,bobrik/marathon,janisz/marathon,spacejam/marathon,bsideup/marathon,ayouwei/marathon,ayouwei/marathon,spacejam/marathon,pgkelley4/marathon,janisz/marathon,quamilek/marathon,matsluni/marathon,HardikDR/marathon,gsantovena/marathon,hangyan/marathon,murat-lacework/marathon,sepiroth887/marathon,rtward/marathon,natemurthy/marathon,lelezi/marathon,Caerostris/marathon,sielaq/marathon,manojlds/marathon,IanSaunders/marathon,Caerostris/marathon,meln1k/marathon,EasonYi/marathon,MrMarvin/marathon,timcharper/marathon,mesosphere/marathon,bsideup/marathon,drewrobb/marathon,c089/marathon,sielaq/marathon,drewrobb/marathon,janisz/marathon,mikejihbe/marathon,pugna0/marathon,manojlds/marathon,janisz/marathon,felixb/marathon,ramitsurana/marathon,spacejam/marathon,vivekjuneja/marathon,mesosphere/marathon,Yhgenomics/marathon,felixb/marathon,pgkelley4/marathon,meln1k/marathon,yp-engineering/marathon,cherrydocker/marathon-1,drewrobb/marathon,titosand/marathon,Kosta-Github/marathon,EasonYi/marathon,ramitsurana/marathon,hangyan/marathon,bobrik/marathon,MrMarvin/marathon,yp-engineering/marathon,14Zen/marathon,vivekjuneja/marathon,quamilek/marathon,gsantovena/marathon,c089/marathon,matsluni/marathon,c089/marathon,Caerostris/marathon,drewrobb/marathon,felixb/marathon,pugna0/marathon,sielaq/marathon,lelezi/marathon,rtward/marathon,cgvarela/marathon,bobrik/marathon,natemurthy/marathon,gsantovena/marathon