Added jetty dependencies section comment in pom
Added jetty dependencies section comment in pom

For consistency and readability, jetty dependencies section is marked
with a comment.

Issue: 43
stylismo/spark,Tradunsky/spark,zeroflag/spark,PYangDizzle/Spark,tempbottle/spark-1,ganger85/spark,nkhuyu/spark-1,jacek99/spark,Ariel-Isaacm/spark,hendrosteven/spark,gimlet2/spark,stylismo/spark,rokusr/spark,rokusr/spark,martylamb/spark,gimlet2/spark,arekkw/spark,guilhermehbueno/spark,seetharamireddy540/spark,jacek99/spark,opsonsy/spark,martylamb/spark,marstianna/spark,Tradunsky/spark,nkhuyu/spark-1,hendrosteven/spark,mugizico/spark,micsta/spark,jabgibson/spark,seetharamireddy540/spark,ganger85/spark,alexlondon07/spark,perwendel/spark,alexlondon07/spark,greyheart/spark,universsky/spark-1,borud/spark,ztx1491/spark,guicamest/spark,nacx/spark,stylismo/spark,heuermh/spark-1,opsonsy/spark,xdcrafts/spark,micsta/spark,arekkw/spark,xdcrafts/spark,gimlet2/spark,MouettE-SC/spark,gimlet2/spark,sebastian1118/spark,heuermh/spark-1,despegar/spark,borud/spark,rokusr/spark,stylismo/spark,MouettE-SC/spark,jabgibson/spark,marstianna/spark,tempbottle/spark-1,MouettE-SC/spark,gutobortolozzo/spark,greyheart/spark,nacx/spark,perwendel/spark,gutobortolozzo/spark,despegar/spark,northcapen/spark,universsky/spark-1,ztx1491/spark,guicamest/spark,northcapen/spark,micsta/spark,perwendel/spark,zeroflag/spark,sebastian1118/spark,mugizico/spark,Ariel-Isaacm/spark,guilhermehbueno/spark,PYangDizzle/Spark