#374 - 01

Merge pull request #370 from NaluKit/release/2.20.5

prepare release 2.20.5

update OWASP suppressions

Merge pull request #365 from NaluKit/364-update-to-latest-gwt-version

update version of GWT to 2.12.1

Merge remote-tracking branch 'origin/dev' into dev

update versions & add owasp suppression for commons-io

update action

remove deprecated @RunWith

#338 - Error using non hash navigation while reloading - fixed (#339)

#328 - add doc how to handle reloads on the server in case useHash is…

… false - done (#334)