sprint 40 - czech language

updated
Update Getting Started (How to change the project, why?)
Wordsmithing (@njx)
Use XML highlighting for .xaml files
Merge pull request #8333 from le717/xaml-highlight

Use XML highlighting for .xaml files
Merge pull request #8060 from kvarel/patch-18

sprint 40 - czech language
Merge pull request #7708 from SAPlayer/getting-started-update

Update Getting Started (How to change the project and why?)
updating 'Last translated' SHA to reflect last pull request
Cleaned up Inline Timing Function Editor.
Cleaned up QuickView.
Cleaned up Recent Projects.
Cleaned up Web Platform Docs.
Minor shadow tweak.
erge branch 'master' of https://github.com/adobe/brackets into larz/css-refactor