use empty() correctly to show context showing url
support #redirect pagename#anchor
WikiWyg: support embeded images syntax. attachment:data/image:png...
update lib/HTTPClient.php from the dokuwiki git repo.

 * partial update to suppress notice warnings etc.
remove $use_indexer option and the index.DBA code
fixup getLikePages() method
HTTPClient: RESTful fix
use lazyLoad() method and remove getModule()
update MergeConflics feature

 * just update the datestamp for the same savetext case.
 * remove duplicted code and simplified
fixup macro_TitleIndex to support euc-kr
bump up version to 1.2.0-RC6