Fix for bug 262

Export all packages in OSGi manifest. See http://bugzilla.slf4j.org/show_bug.cgi?id=262
Merge pull request #17 from ash2k/bug-262

Fix for bug 262
added comment about fixing bug 262
preparing release 1.6.5
minor edits
typo fixes
start work on 1.6.6. Fix bug #234
minor edit
Light-weight configuration like commons-logging's SimpleLog

Improve SimpleLogger to be more like commons-logging's SimpleLog,
including look-alike configuration file.
If no configuration file is found, behave like the previous revision of
this (SimpleLogger).
Merge pull request #18 from javabean/bug186

Bug 186: light-weight configuration like commons-logging's SimpleLog
fix bug 234
preparing release 1.6.6
source repo moved to https://github.com/qos-ch/slf4j
typo fix
minor edits
typo fix
starting work on 1.6.7
fix bug #261
mention fixing bug 261
added LoggerSerializationTest