Merge branch 'master' of https://github.com/dom-mel/dokuwiki into pull-request-87

* 'master' of https://github.com/dom-mel/dokuwiki: (38 commits)
  removed requires, changed conf check in xmlrpc.php
  removed require_once for autoloaded fulltext.php
  updated comment
  added dokuwiki.getXMLRPCAPIVersion and wiki.getRPCVersionSupported
  added RPC_CALL_ADD event.
  replaced $HTTP_RAW_POST_DATA with http_get_raw_post_data function
  changed error code for unauthorized method calls.
  typo fixes
  moved plugin and core method calls to seperate function
  corrected comment
  added getapi methods to remote plugin
  removed unused class
  fixed testcase
  refactored RemoteAccessDenied to RemoteAccessDeniedException
  adjusted test cases
  delegate file and date transformation to remote library
  treat null as empty array
  added missing getTime
  added missing getVersion
  set login as public method
  ...