fixtures: removed auth for app reset
splited tests and test tool to different repos
updated readme
deleted few unnecessary lines
Revert "fixtures: removed auth for app reset"

This reverts commit d6a8c48842e83390af07a02b06d8e8bece7e4862.
tests: added tests for image upload, image metadata preview and content archive search
user search readable version
modified already written tests
flake8 modifications applied
style modification
Merge pull request #3 from ancafarcas/image-tests

tests: added content_archive_search, image_upload and image_metadata testcases