Norwegian translation term 1

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Merge pull request #22 from Helgenen/master

Norwegian translation term 1
Switch to all lang-country codes
Update code in contributing guide
Add build script
Fix URL in example pull request
Add build instructions to README
Update README
[en-GB] Fixed typo in lesson 3
Merge pull request #26 from mweimerskirch/patch-1

[en-GB] Fixed typo in lesson 3
remove bad formatting (obj) from markdown
remove bad formatting (obj) from markdown
remove bad formatting (obj) from markdown
remove bad formatting (obj) from markdown
remove bad formatting (obj) from markdown
remove bad formatting (obj) from markdown
fix typo
remove bad formatting (obj) from markdown
remove bad formatting (obj) from markdown
remove bad formatting (obj) from markdown