[CLEANUP] Rename SanitAnalysis -> SanitationAnalysis.
[CLEANUP] Rename Cfg -> ControlFlowGraph.
[CLEANUP] Rename package nodes -> cfgnodes.
[CLEANUP] Renamt CfgNode -> AbstractCfgNode.
[CLEANUP] Rename CFG node classes.
[CLEANUP] Rename classes: *Param -> *Parameter.
[CLEANUP] Rename GenericRepos -> GenericRepository
[CLEANUP] Rename packages: tf -> transferfunction.
[CLEANUP] Add "procedural" to inter/intra package names.