Split out the -api part of slf4j to comply with the existing package structure

Package-Manager: portage-2.1.12.2
Split out the -nop part of slf4j to comply with the existing package structure

Package-Manager: portage-2.1.12.2
Split out the -simple part of slf4j to comply with the existing package structure

Package-Manager: portage-2.1.12.2
Fixed apidocs installation

Package-Manager: portage-2.1.12.2
Fixed source tarball creation
Removed old slf4j; updated dependency of app-misc/mucommander to slf4j-simple
Changed deps to dev-java/slf4j-* instead of dev-java/slf4j