IDEA-105071 (locate native FS .dll in plugin SDK tests)
reinit settings method
save full screen state and reinit editor properly
reconfigure Presentation Mode
use proper font size when in presentation mode
IDEA-104500 Gradle: Allow to reuse common logic for other external systems

Legacy resource directory is removed
IDEA-83595 Allow adding more than one gradle project

1. ProjectDataService is updated;
2. Now the ide asks a user if orphan modules (modules which initially were imported from external system but now don't present at external system config) should be removed and proceeds if confirmed;
IDEA-104500 Gradle: Allow to reuse common logic for other external systems

One more attempt to avoid ClassNotFoundException on project data deserialization
invert if: do not forget continue; if if is not the "last statement" (IDEA-19457)
inplace introduce constant: restore expression from literal (IDEA-106893)