* set the content type in the response header in the restlet resources (it was already the case in toolkit API resources)

Covers [RUNTIME-229](https://bonitasoft.atlassian.net/browse/RUNTIME-229)

Respond a 204 in that case

* jdk 11 only
* Remove the portal and forms module paragraphs

* set the content type in the response header in the restlet resources (it was already the case in toolkit API resources)

Covers [RUNTIME-229](https://bonitasoft.atlassian.net/browse/RUNTIME-229)

* feat(platform login): Manage 403 correctly when it happens

covers [RUNTIME-404](https://bonitasoft.atlassian.net/browse/RUNTIME-404)

on org.apache.xbean:xbean-classloader that is not in Engine anymore

those resources are not used anymore

was used for tests

that were only used in dev mode

* improve logging
* add warning for Keycloak version update

Covers [RUNTIME-279](https://bonitasoft.atlassian.net/browse/RUNTIME-279

)

Co-authored-by: Emmanuel Duchastenier <emmanuel.duchastenier@bonitasoft.com>

* fix(GWT portal removal): clean web.xml

* remove useless web.xml entries
* clean exclude patterns
* remove portal looknfeel servlets
* Remove theme folder methods

Closes [RUNTIME-446](https://bonitasoft.atlassian.net/browse/RUNTIME-446)

Co-authored-by: Emmanuel Duchastenier <emmanuel.duchastenier@bonitasoft.com>

* avoid creating the HTTP session in case of a SSO globalLogout. Let
keycloak handle it instead

Relates to
[RUNTIME-293](https://bonitasoft.atlassian.net/browse/RUNTIME-293)

that were not used at all.

Relates to [RUNTIME-412](https://bonitasoft.atlassian.net/browse/RUNTIME-412)

when a NATIVE SQL query (we have very few in the runtime) is passed parameters
of type String when the column is of type BIGINT, for instance,
the query execution fails on PostgreSQL.

As the value type cannot be inferred by the Engine, the fix is to ensure
that the rest API calls the engine passing those numeric parameters as long, and not as String.

Closes [RUNTIME-271](https://bonitasoft.atlassian.net/browse/RUNTIME-271)

* chore(profile): cleanup code get user right from profile in APISession

This simplify the code that retrieve rights from profiles. There is not rights from profile anymore...

Looking at the code, the session attribute `conf` seems to be not used anymore. To be validated

Relates to [RUNTIME-416](https://bonitasoft.atlassian.net/browse/RUNTIME-416)

* keep only logout link configuration

By enforcing the Java version used.

Relates to [RUNTIME-431](https://bonitasoft.atlassian.net/browse/RUNTIME-431)

as of Java 9

this impact the translation function `_()` that is renamed to `t_()`

Relates to [RUNTIME-440](https://bonitasoft.atlassian.net/browse/RUNTIME-440)

using standard alternatives

Relates to [RUNTIME-419](https://bonitasoft.atlassian.net/browse/RUNTIME-419)

Objects were implementing `URLSerializable` interface but it was not used anymore.

Relates to [RUNTIME-419](https://bonitasoft.atlassian.net/browse/RUNTIME-419)

Looking at the javadoc and the code of `Regex` we were not using any specific feature of that class. The Java replacement does the same thing.

Relates to [RUNTIME-419](https://bonitasoft.atlassian.net/browse/RUNTIME-419)

Use a simple date format in a Thread local (for thread safety), instead of using gwt-specifi code.

Relates to [RUNTIME-419](https://bonitasoft.atlassian.net/browse/RUNTIME-419)

that is indeed used at runtime

* remove 'dev' profile that seems unused
* Remove last references to GWT

Relates to [RUNTIME-419](https://bonitasoft.atlassian.net/browse/RUNTIME-419)

There is no profile menu anymore so there is no special handling to do when searching for pages

Relates to [RUNTIME-416](https://bonitasoft.atlassian.net/browse/RUNTIME-416)

Use the version declared in the engine bom

Relates to [RUNTIME-434](https://bonitasoft.atlassian.net/browse/RUNTIME-434)

`GetUserRightsHelper` was retrieving permission of accessing a page
using profile entries. We now only use the apps to do that.

Remove the permission check on PageDownloadServlet, it is already handled by the Authorization filter.

Relates to [RUNTIME-416](https://bonitasoft.atlassian.net/browse/RUNTIME-416)