Set pom.xml to 2.9.0~alpha1
Merge branch 'branches/rudder/2.8'
Merge branch 'branches/rudder/2.8'
Add 2.9 logo
Merge branch 'branches/rudder/2.8'
Merge branch 'branches/rudder/2.8'

Conflicts:
	rudder-web/src/main/webapp/images/logoIndexRudder.jpg
Merge branch 'branches/rudder/2.8'
Merge branch 'branches/rudder/2.8'
Merge branch 'branches/rudder/2.8'
Merge branch 'branches/rudder/2.8'
Merge branch 'branches/rudder/2.8'
Merge branch 'branches/rudder/2.8'
Merge branch 'branches/rudder/2.8'
Merge branch 'branches/rudder/2.8'

Conflicts:
	pom.xml
	rudder-core/pom.xml
	rudder-web/pom.xml
Merge branch 'branches/rudder/2.8'
Fixes #4164: update lib dependencies

Also, change logger usage to be compatible with stricter Scala 2.10.3
and remove a duplicated dependency (both in core and web).
Merge pull request #370 from fanf/arc_4159/dev_4164_update_dep_lib_version

Fixes #4164: update lib dependencies
Merge branch 'branches/rudder/2.8'
Fixes #4170 : Change lift-modules version
Merge pull request #372 from VinceMacBuche/arch_4170

Fixes #4170 : Change lift-modules version