Organizing the CLI arguments
Moved python codes to proper directory
Pushing file where services will be searched
Files renaming
Merge branch 'xray_search' of https://github.com/chbrandt/zyxw into cliargs
Basic service search workflow.
Fixed minor issues on print catalog title methods
Workflow is complete and tested for x-ray search.

Improvements have to be done on filtering for emission and output
 generation.
Improved catalogue services filtering.
Fixed bugs on dealing with UCDs and progress bar for catalogs retrieving.
Evolved on collecting metadata from services

+Created a script for collecting metadata from services from a JSON file.
*Orgnized some files (inside the tree)
Config file for (environment) Modules.
Review and Stabilized conesearch files