Finnish translation for “Getting Started” project update (release 0.43) [2]

* [root’s commits](https://github.com/adobe/brackets/commits/master/samples/root/Getting%20Started/index.html) starting from Jul 09
* some improvemets for old paragraphs
* lines’ max length to 130 chars, except link lines at the bottom of document
Merge pull request #8820 from valtlait/patch-2

Finnish translation for “Getting Started” project update (release 0.43) [2]