Initial Commit
Added needed datastore libraries.
First application skeleton.
Added key management to GSD and search index
Added key support for search
Cleaning

Cleaned some useless files
Cleared some warnings
-Adapted and tested the JSON message to create a new item.
-Problems converting that item to GDS Entity due to the nested objects
and properties limitations. Need to study how to store the entities
without disrupting text search.
-Summarized the RepoElement structure into one entity.
-Changed the JSON parsing to fix the enum in license attribute, which
parsed to null
-Fixed search index to fit the new changes
-Pending search testing and development
-Entity to RepoElement conversion completed and checked
Merged dev branch
-Cleaned code, redisigned some class interactions
Fixed the welcome page to show a link to mokap.es
-minor error fix