Release 7.4.2: Adapted 3rd party libraries for logging based on SLF4J/logback

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The following libraries will be introduced with the change:
- commons-cli 1.2 (official cli bundle; changed due to dependency problems),
- jcl-over-slf4j-1.7.5,
- log4j-over-slf4j-1.7.5,
- jul-to-slf4j-1.7.5,
- logback-classic-1.0.13,
- logback-core-1.0.13,

The following libraries will be removed:
- org.apache.commons.cli_1.2.0.v201105210650.jar,
- org.apache.commons.logging_1.1.1.v201101211721.jar ,
- org.apache.log4j_1.2.13.v200806030600.jar,
- slf4j-jcl-1.7.5