[FEATURE] index behavior Test
[MODIFY] delete echo in curl
[CHANGES] indexTests folder and README.md
[MODIFY] populateDB_v1.0.shsplit in several lines using EOF
Merge pull request #439 from telefonicaid/feature/index_tests

Feature/index tests
sending stderr output from cat command to /dev/null
Merge pull request #446 from telefonicaid/hardening/400_errors_with_pidfile_in_harness_tests

sending stderr output from cat command to /dev/null
Merge branch 'develop' into feature/435_loglib_refactoring
line in CHANGES_NEXT_RELEASE for the changes in the loglib
better CHANGES_NEXT_RELEASEm