D-Net

POST and DELET methods added to the connector API

fixing method name buildAndInsertClaim

Fixing bug with fetchClaim when contains dataset

Set the proper date in fetch claim methods, change the date format, fix the bug for fetchClaimsByUser exception

return id when inserting a new claim

Additional methods: fetchClaimById, deleteClaim without user parameter, count methods (by user,project, funder, context, date or all claims ), fix the fetchClaimsByFunder method

Add limit and offset parameters in fetch queries, add fetchAllClaims method, remove extra context properties files

Refctoring, add delete methods, change date format, new methods for getting lattest claims from old DB

Add one more method for testing the external url

refactoring, change DMFContextHandler method because test failed