gris targets: redundant vocabulary

The targets specified in the headers and or db are not consistent. e.g. Emerging flux Region and Emerging Flux Reg. need to be consolidated.

Full consolidation includes:

• Check where the tag names originate
• Decide on a consistent naming convention
• Open issues regarding enforcing and documenting said scheme
• Fix the names in all datasets, starting at L0 headers
• Fix the names in the corresponding observation entries