org.apache.log4j: renamed/moved log4j package to org.apache.log4j folder
o.c.config.ioconfig.*/testsuite: slf4j* static deps from hibernate, set depending plugins to buddy policy loading of log classes, renamed the activator in ioconfig
o.c.desy.css.product.*: added log4j fragment for ui products
Merge remote-tracking branch 'origin/logbook' into logbook
fixing classpath of projects to use the default JREContainer

Change-Id: I07d887535c422baddaaab9934eacb7bd87c4ecd0
Signed-off-by: Kunal Shroff <shroffk@bnl.gov>
Majority of the Tycho build configuration complete. Remaining problem with GEF dependency.
Add 'plugins/org.apache.log4j/' from commit '76ea3cd3b18184be73d6917410c19bb7cfe2099f'

git-subtree-dir: plugins/org.apache.log4j
git-subtree-mainline: 739fa35b741d08a66dfa8aff57a751600fed882e
git-subtree-split: 76ea3cd3b18184be73d6917410c19bb7cfe2099f
Add third party plugin: org.apache.log4j