ImageMacro enhancements:  * Updates from Shun-ichi Goto:    `[[Image(htdocs:foo/bar.png,nolink)]]` shows an image coming     from the environment's `htdocs` folder, with no link to the image's source  * Fixed obsolete usage of `trac.Browser`
ImageMacro enhancements:
 * Updates from Shun-ichi Goto:
   `[[Image(htdocs:foo/bar.png,nolink)]]` shows an image coming 
   from the environment's `htdocs` folder, with no link to the image's source
 * Fixed obsolete usage of `trac.Browser`



git-svn-id: eda3d06fcef731589ace1b284159cead3416df9b@2301 af82e41b-90c4-0310-8c96-b1721e28e2e2

jun66j5/trac-ja,walty8/trac,walty8/trac,netjunki/trac-Pygit2,netjunki/trac-Pygit2,jun66j5/trac-ja,jun66j5/trac-ja,walty8/trac,walty8/trac,netjunki/trac-Pygit2,jun66j5/trac-ja