Added missing copyright acknowledgements from source files.
Added missing copyright acknowledgements from source files.

peterdocter/nanohttpd,guardianproject/nanohttpd,Omegaphora/external_nanohttpd,eGxC/nanohttpd,huanyi0723/nanohttpd,dmitrykolesnikovich/nanohttpd,vnnv/nanohttpd_vnnv,andreivisan/nanohttpd,McFoggy/nanohttpd,MIPS/external-nanohttpd,weathersboyle/nanohttpd,andreivisan/nanohttpd,updowndown/nanohttpd,updowndown/nanohttpd,DavikChen/nanohttpd,panxw/nanohttpd,geekboxzone/mmallow_external_nanohttpd,Eljah/nanohttpd,Eljah/nanohttpd,vnnv/nanohttpd_vnnv,MIPS/external-nanohttpd,gushedaoren/nanohttpd,McFoggy/nanohttpd,harshjv/nanohttpd,biswajitind/SCMF,kayhanakbay/nanohttpd,kayhanakbay/nanohttpd,eighthave/nanohttpd,huanyi0723/nanohttpd,songfj/nanohttpd,WilliamDo/nanohttpd,geekboxzone/mmallow_external_nanohttpd,peterdocter/nanohttpd,QumuloMe/nanohttpd,EricCen/nanohttpd,QumuloMe/nanohttpd,EricCen/nanohttpd,NanoHttpd/nanohttpd,codebeautiful/nanohttpd,codebeautiful/nanohttpd,NanoHttpd/nanohttpd,weathersboyle/nanohttpd,LordFokas/nanohttpd,harshjv/nanohttpd,anandsadu/nanohttpd,CloudCom/nanohttpd,anandsadu/nanohttpd,biswajitind/SCMF,LordFokas/nanohttpd,DavikChen/nanohttpd,ma5069073/nanohttpd,CloudCom/nanohttpd,geekboxzone/lollipop_external_nanohttpd,dmitrykolesnikovich/nanohttpd,eGxC/nanohttpd,gushedaoren/nanohttpd,panxw/nanohttpd,ouya/nanohttpd,android-ia/platform_external_nanohttpd,ma5069073/nanohttpd,guardianproject/nanohttpd,songfj/nanohttpd,android-ia/platform_external_nanohttpd,eighthave/nanohttpd,WilliamDo/nanohttpd,CyanogenMod/android_external_nanohttpd,geekboxzone/lollipop_external_nanohttpd,Omegaphora/external_nanohttpd,ouya/nanohttpd