Fixed the binary version to be 1.0.0-rc1
Small updates to the NSI installer script.
Made the Slime mother only spawn slimes...

It will be funnier and correlate more with the monster type.

As discussed with Nemesis.
Added first version of the scent script.

Part of #375
Improved and fixed the evil scent script...

The engine code and links to the maps will be added in a final commit.

Part of #375
Made the scent visible and sometimes poison the characters when the map character
passes through it.

Fixes #375
Added a clearer warning of an imminent fight in the north-east part of the Layna Forest.

I made it so I didn't have to change the dialogues for release purpose, though.

As discussed with Nemesis.
Merge branch 'master' of github.com:Bertram25/ValyriaTear into 1.0
Prepared the game version for the release.
Added the Dutch language in the nsis script.
Tagged the version as development in the master branch.