Version number to 0.11-DEV.
Plain text exception template.
It seems to be possible that an exception can get thrown without a stack frame (without file and line info) and our exception templates get confused when this happens. This fix makes them handle it a bit better.
Context => AgaviContext in phpdoc comments.
fixed a problem with empty path info leading to 404 error
fixed RewriteCond in sample _.htaccess to allow directory access