Removed more very hard, duplicate problems, sorted categories
Removed more very hard, duplicate problems, sorted categories

Halcyon-Days/Projects,Gprinziv/Projects,danielt1988/Projects,afwang/Projects,Informatics43-S14/hw2-projects-126,smac89/playground,bogdanpetru/Projects,afwangtest/testrepo,aamin25/Projects,jplindquist/Projects,alewang/javascript100,alewang/javascript100,idunnowhy9000/Projects,Informatics43-S14/hw2-projects-129,afwangtest/testrepo,mkenney/Projects,alewang/Projects,Informatics43-S14/hw2-projects-127,Informatics43-S14/hw2-projects-124,smac89/playground,Fedrix/Projects,LGordon2/Projects,smac89/UVA_OJ,mahmoudalismail/Projects,afwangtest/testrepo,mkenney/Projects,jbewing/Projects,idunnowhy9000/Projects,Informatics43-S14/hw2-projects-128,dmazak/Projects,jshemas/Projects,mkenney/Projects,alewang/Projects,DarwinF/Projects,1amnick/Projects-in-Swift,kylestanfield/Projects,lachlankrautz/ProjectsCpp,alewang/Projects,smac89/UVA_OJ,ArtemGordinsky/Projects,tb123/Projects,Fedrix/Projects,alewang/Projects,idunnowhy9000/Projects,smac89/UVA_OJ,cadamei/Projects,patsul12/Projects,AB95/Projects,mkenney/Projects,aamin25/Projects,afwangtest/testrepo,dmazak/Projects,mbj36/Projects,smac89/playground,sahilqur/python_projects,smac89/playground,jbranchaud/ruby-projects,TheAtomicGoose/karan,Informatics43-S14/hw2-projects-125,Anmol2307/Projects,jbewing/Projects,arushs/Projects,mkenney/Projects,okoyenzube/Projects,LGordon2/Projects,dduong42/Projects,smac89/UVA_OJ,mkmathur/Projects,walshification/projects,jbranchaud/ruby-projects,jayc0b0/Projects,pinkninjajess/Projects,smac89/playground,jayc0b0/Projects,smac89/playground,N07070/Projects,bogdanpetru/Projects,mkenney/Projects,DragosDumitrache/Projects,boxsome/Python-Projects,edran/ProjectsForTeaching,mykhamill/Projects-Solutions,LGordon2/Projects,davidbecker/Projects,mikebgio/Projects,Intrepid90/Projects,ScottKolo/GoProjects,dmazak/Projects,smac89/UVA_OJ,smac89/UVA_OJ