Completed additions for EDAM_1.8 release

* Revision to provide comprehensive coverage of EBI Tool Topics, Data
and Operations
* Removal of fine-grained report (human-readable data) concepts from the
Data branch
* Rooting all report concepts under "Data->Report"
* Removal of operation-like concepts from the Topics branch
* Biological concepts (sequence feature-related, pathways and networks,
experimental techniques) that were previously modeled under as reports
within Data, are now given under Topic
* Simplification of key Data concepts concerning sequences, alignments
and signatures (motifs/profiles)
* Many other additions and minor changes
* 107 concept deprecations
* 53 new concepts