renaming JavaPlugin package to BukkitPlugin

git-svn-id: http://pxncommon.googlecode.com/svn/trunk@18 f5fbd6b6-c213-558c-f92f-5ab434f62466
renaming pxnJavaPlugin to pxnPlugin

git-svn-id: http://pxncommon.googlecode.com/svn/trunk@19 f5fbd6b6-c213-558c-f92f-5ab434f62466
added pxnPluginObjects class to contain commonly used objects
  logger, config, listeners, dbPool, language, tasks
pxnPlugin better handles single instance - capable of multiple plugins
renamed FormatText class to FormatChat
  added FormatConsole class
  deleted FormatListener interface
added prepared statement functions to dbPoolConn class
  now able to run queries
added uniqueHistoryRND class - for use with announcer task
deleted DelayedLoader and pxnLoader classes

git-svn-id: http://pxncommon.googlecode.com/svn/trunk@20 f5fbd6b6-c213-558c-f92f-5ab434f62466