Rework weapon scheme handling in frontend and fix a couple of bugs
There were many oddities in weapon scheme editing which are fixed now:
* When you left the weapon scheme editor, everything flashed briefly
* When you leaft the weapon scheme editr, the weapon scheme selection always reverted to Default. Very annoying
* Clicking on New or Copy now instantly creates and save the new weapons set
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# Project created by QtCreator 2015-05-07T16:38:43
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QT += core gui
greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
TARGET = hwmapconverter
TEMPLATE = app
SOURCES += main.cpp\
mainwindow.cpp
HEADERS += mainwindow.h
FORMS += mainwindow.ui