Revert "[Importer] DataImport GitHub reporting changes"

This reverts commit f16e7fa9a4912aecd18e85b68a1986bc566a6c38.
Revert "[importer] Return 99999 as error code for unknown code"

This reverts commit a663e6f3882d1998e9c60dca572cd6be6ed6ed75.
Revert "Report unkonwn errors in DataImport"

This reverts commit 1024292761e658faabc1ed207f9d4e6ab8cd0e6b.
Do not save the user record inside an after_create
CDB-319 #resolve Don't set a POINT constraint when adding a geometry column
CDB-315 #resolve [importer] Return default encoding if CharlockHolmes raises
Ensure new_importer returns a success status

Conflicts:
	app/models/data_import.rb
CDB-320 #resolve Do not keep problematic files in 'failed_imports' directory
Merge branch 'release/staging'

Conflicts:
	app/models/data_import.rb
Run rspec with bundle (on "make check")
Fix 2.1.3.4.1
Update NEWS
Adds max asset size to frontend configuration vars
Fix·
Merge branch 'release/2.1.3.4.1'
Merge branch 'release/2.1.3.4.1' into develop
Merge branch 'develop' of github.com:CartoDB/cartodb into develop
styles changed
removed html from index view
changed more data text