fix bug 225
fix url to announce ml archives
added xwiki to the list og projects using slf4j
Merge branch 'master' of git.qos.ch:slf4j
alphabetical ordering
illustrate slf4j binding and bridging
- Fix #138
- FAQ entry on the FATAL level now is based on the superiority of markers
fixing #228
fixing #228 for MDC
blurb on bug #228
- changing version to 1.6.2
- adapted bindings illustration from the version provided by Erik  van Oosten
- manual.html now references this illustration
updated diagram for legacy/bridging
minor edits
mindor edits
fixes bug 246
fix embarrassing typo
edits  and addition of a link to direct joran invocation
update license headers to current year
restore orignal Apache copyright mistakenly removed in previous commit
fix bug #235