Update FAQ about cleaning downloads and build trees (#3044)

* Update FAQ about cleaning downloads and build trees

Answers #2202 and #2538

* [vcpkg-docs] Add packages folder to list of temporary folders
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Mateusz Loskot 2018-03-18 12:36:55 +01:00 committed by Robert Schumacher
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@ -72,6 +72,10 @@ A lower level mechanism to achieve the same as the `vcpkg integrate project` NuG
<Import Project="<vcpkg_root>\scripts\buildsystems\msbuild\vcpkg.targets" />
```
## How can I remove temporary files?
You can save some disk space by completely removing the `packages\`, `buildtrees\`, and `downloads\` folders.
## How is CMake used internally by Vcpkg?
Vcpkg uses CMake internally as a build scripting language. This is because CMake is already an extremely common build system for cross-platform open source libraries and is becoming very popular for C++ projects in general. It is easy to acquire on Windows, does not require system-wide installation, and legible for unfamiliar users.