made javadoc in line with maven standard
made javadoc in line with maven standard

boomboompower/SpongeAPI,kenzierocks/SpongeAPI,JBYoshi/SpongeAPI,caseif/SpongeAPI,joshgarde/SpongeAPI,caseif/SpongeAPI,frogocomics/SpongeAPI,jonk1993/SpongeAPI,Lergin/SpongeAPI,boomboompower/SpongeAPI,gabizou/SpongeAPI,kenzierocks/SpongeAPI,SpongeHistory/SpongeAPI-History,SpongePowered/SpongeAPI,jonk1993/SpongeAPI,SpongeHistory/SpongeAPI-History,ryantheleach/SpongeAPI,Kiskae/SpongeAPI,AlphaModder/SpongeAPI,Fozie/SpongeAPI,Lergin/SpongeAPI,kashike/SpongeAPI,jamierocks/SpongeAPI,ryantheleach/SpongeAPI,frogocomics/SpongeAPI,gabizou/SpongeAPI,joshgarde/SpongeAPI,kashike/SpongeAPI,SpongePowered/SpongeAPI,modwizcode/SpongeAPI,Kiskae/SpongeAPI,jamierocks/SpongeAPI,modwizcode/SpongeAPI,AlphaModder/SpongeAPI,DDoS/SpongeAPI,JBYoshi/SpongeAPI,DDoS/SpongeAPI,SpongePowered/SpongeAPI