isVirtualFunction: Fix false positive for constructor

When class has a virtual destructor

Change-Id: Ifcc9a05ee1eb1144ed7e035b9f077846fcb96cf3
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@digia.com>
Don't overwrite deployment options for non-iOS unix-platforms

A missing else was causing the else:unix-branch of the ios condition
to always execute for unix platforms, overwriting any of the
settings from before. Result was e.g. that Android builds would
not properly install their assets.

Change-Id: Icf8d2e77ff7eaea478cc2f945d3aee7929cc4078
Reviewed-by: Daniel Teske <daniel.teske@digia.com>
Doc: Settings for binding pointers and references

Update screen shots.

Change-Id: I0205792498150b2aabd11e12ee65e03fff3bf577
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@digia.com>