* adapt test to wait longer for page lock (avoid random failure on CI)

Covers [RUNTIME-1408](https://bonitasoft.atlassian.net/browse/RUNTIME-1408)

# Conflicts:
#	community/server/src/main/java/org/bonitasoft/console/common/server/page/CustomPageService.java
#	community/server/src/main/java/org/bonitasoft/web/rest/server/datastore/bpm/process/ProcessDatastore.java
#	community/server/src/main/java/org/bonitasoft/web/rest/server/datastore/page/PageDatastore.java
#	community/server/src/test/java/org/bonitasoft/console/common/server/page/CustomPageServiceTest.java
#	community/server/src/test/java/org/bonitasoft/web/rest/server/datastore/bpm/process/ProcessDatastoreTest.java
#	community/server/src/test/java/org/bonitasoft/web/rest/server/datastore/page/PageDatastoreTest.java

* use in memory cache to avoid reading filesystem at each call
* do not read last update date in database more than once every 3 second (can be configured)
* synchronize on page dedicated object instead of class object
* remove the possibility for the groovy classloader of a page to be created twice

Covers [RUNTIME-1408](https://bonitasoft.atlassian.net/browse/RUNTIME-1408

)

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

Covers [RUNTIME-1413](https://bonitasoft.atlassian.net/browse/RUNTIME-1413)
Covers [RUNTIME-1418](https://bonitasoft.atlassian.net/browse/RUNTIME-1418)

verify Ids are positive non null before sending them to engine (before 7.14.2 makeAPIID used to return null in this case)

Covers [RUNTIME-1400](https://bonitasoft.atlassian.net/browse/RUNTIME-1400)
Relates to [RUNTIME-334](https://bonitasoft.atlassian.net/browse/RUNTIME-334)
Relates to [RUNTIME-335](https://bonitasoft.atlassian.net/browse/RUNTIME-335)

Covers [RUNTIME-1250](https://bonitasoft.atlassian.net/browse/RUNTIME-1250)

On the login page, the path to get `favicon2.ico` is incorrect.

* feat(deploys): Make deploys of specific apis the same as generic ones

covers [RUNTIME-334](https://bonitasoft.atlassian.net/browse/RUNTIME-334)
covers [RUNTIME-335](https://bonitasoft.atlassian.net/browse/RUNTIME-335)

* Change log level of APIID exceptions

* Remove commented out isDeployable functions

* Add tests

found

Covers [RUNTIME-1214](https://bonitasoft.atlassian.net/browse/RUNTIME-1214)

* add filter show_taken into /API/bpm/humanTask

Relates to [RUNTIME-1252](https://bonitasoft.atlassian.net/browse/RUNTIME-1252)

* contains the commit of PR #875 (commit 4cacf9ebc11e3c1d9e3ab924a59ca2a450f21fbf)
* and the fix for the regression it introduced on deploy attributes

PR 875 was reverted because generating 404 errors in case of attempted deploys with Ids like "0" or "-1". These deploys should just be ignored to prevent an API break

covers [RUNTIME-334](https://bonitasoft.atlassian.net/browse/RUNTIME-334)
covers [RUNTIME-335](https://bonitasoft.atlassian.net/browse/RUNTIME-335)