OSX: Allow user to display hidden files in the browser dialog
OSX: Fix memory leaks
SWORD25: Optimize graphics drawing code
SWORD25: Change absolute Z calculation to match that of absolute x/y; remove old comment
Merge branch 'master' of github.com:scummvm/scummvm into sword25-gfx
SWORD25: Fix blitting code
- Rename collectRenderQueue to preRender
- Only do forceRefresh() in Panel::setColor() and Text::setText() if the new values are different
- Move child object resorting from RenderObject::render() into RenderObject::preRender()
HOPKINS: Remove an incomplete hack in playAnim(), rework related code to avoid low/high res missing files
HOPKINS: Remove a hack for T421 animation, rework playAnim2() to accept an alternate animation file name
HOPKINS: Fix bug #3612406 - New version not detected
AUDIO: Fix unitialized variable. CID 1003162
AUDIO: Fix unitialized variable. CID 1003161
AUDIO: Fix uninitalized variable. CID 1003160
AGI: Fix unitialized variables. CID 1002922
DREAMWEB: Change Spanish LOGON command to ACCESO
COMMON: Change kPlatformPC to kPlatformDOS

"PC" was very ambiguous and now it matches what we show in the GUI.

This also corrects sword2's platform to Windows.
HOPKINS: Fix bug #3612114 - Mouse accidentally enabled during intro, leading to graphic corruption
HOPKINS: Fix bug #3612482 - ending credits issues
HOPKINS: Hide mouse before displaying credits
HOPKINS: Search for alternate names for ending animations

Based on the BeOS executable.
HOPKINS: Workaround for bug #3612611 - Missing credit file in BeOS version!