AudioManager: You can now capture audio inputs (mikes and loopback inputs). You can select the capture device in the settings view.
Modelmanager: The DisplayRole does return the right value if the Modelvector consists of QStrings

LoginView+UserManagment: remove Q_INVOKABLE from getDefaultUser. UserManagment.defaultUser returns now the right User. Rename readUser to defaultUser.

ModuleView: Move Rectangle in ScrollView behind TextArea to prevent a crash while debugging. See https://bugreports.qt.io/browse/QTBUG-62292

Use new Windows Capture Lib from leander.schulten/Capture_Windows_SoundOutput@a82eb3c3494de53ea03b1b86dde0ba04b256c92e
The capture API now returns the sample rate.

main.cpp: Stop the Modules::Controller and the AudioCaptureManager before exiting the application, otherwise these threads will continue running and reading from other objects that will be destroyed.

UX: main.qml: Change position of Graph and Oscillogram. Change name from 'Graph' to 'Spectrum Analyzer'. Remove Help for 'Spectrum Analyzer' (there were no additional information).

ColorPlot: Cleanup and improve code. Only render visible area. Update only when visible for the user.
ColorPlot UX: The user can now zoom the colorplot.

Controller: Fix detection of the path of the dll when there is a segfault and a error message should be printed

UI: Made error dialog wider and remove the text only when the dialog is hidden, otherwise you see how the dialoge change its size while he is disappearing

Unified build system: clone aubio in lib/aubio/... folder and build aubio in the lib/build_libs.sh like the other libs

# Conflicts:
#	.gitlab-ci.yml
#	src/Lichtsteuerung.pro

Aubio: Add support for Aubio::*Analysis classes in AudioCaptureManager and provide containers that hold the collected data

Remove support for 32-Bit boost on Windows.
Install boost in the build_libs.sh script.
Update Readme.md.
Clone boost with 32 Threads.
Cache boost folder in the CI.
Remove support for msvc.
Close #51