Fix typo in RDFS URI

[server] Fixed issue with the adapters cache of a cloned EditedEntity The adapters' cache of the entity within an EditedEntity used to be copied along the entity itself during a cloning operation of the EditedEntity. This raises an issue when the adapters' cache is not empty and contains cached values linking to transaction-specific data (or the transaction itself). This prevents the clone EditedEntity being used in a transaction outside the one that created it. This change resets the adapters' cache of the new copy so that no cached value remain. The new copy can then be used in a new transaction afterwards.

[py37] `async` is now a reserved keyword

[skeleton] Use "py3" as tox environment instead of "py34"

[views/startup] drop a duplicate rql query in manage view Counting entities in `nb` is already done above this code, regression introduced by a85db6fa

Depend on cubicweb-file >= 2.0.0 I applied V1 of the patch, but V2 contained this extra hunk...

[test] Update webconfig's tests accounting for cubicweb-file being now a package WebconfigTC.test_locate_all_files and WebconfigTC.test_locate_resource assumed that cubicweb-file was installed in <share>/cubes/file whereas, from the latest release, it is now a standard Python package thus installed in site-packages as cubicweb_file. We simply update base directory of these two tests.

[widgets.js] fix obvious bug detected by sonar

[views/uicfg] obvious bug detected by sonar

[style] Make toolsutils.py flake8-clean Run `autopep8 --max-line-length 100 -i cubicweb/toolsutils.py` and fixed unused imports.

[test/rset] typo

[test/rset] flake8

[py3] import configparser from six.moves instead of using a try/except Using six is better than the try/except because it clearly indicates compatibility code. Also, when using tools such as vermin which relies on AST, it helps getting rid of false compatibility errors.

[doc] didn't had any questions

[doc] missing import, cw now require this explicitely

[doc] add actual link to previous post

[doc] missing import in code example

[doc] add a note because uiprops.py is not generated anymore by default

[doc] recommend pip instead of apt for installing things According to a discussion on XMPP we should recommend pip instead.

[doc] fix, link to internal doc since it's not the blog post anymore

[doc] also show command with sqlite since it's recommended

[doc] fix, the cube name was used, it was the instance named that was needed

[doc] it's a tutorial, not a blog post anymore

[doc] make example more redable

[doc] uses :file:`name` everywhere + indicate file when it's not present

[doc] english typos

[doc] pep8/retab in code examples

[doc] correct import for i18n

[doc] pep8 and retab in tutorial code example

[doc] correct pip command to have needed dependancies to use the start command I know we want to remove this command but in the meantime having this documentation working seems like something good.