m1
small changes
delete unused file
misc
gitignore
delete pro file
put qml file in folder
misc
add ConstantCompilationModel
 - ApplicationCtx.h: refactor of singleton (put inline code in *.h).
 - Coding standards (#pragma once, ...).
 - CodeEditorExtensionManager.cpp: replace normal pointer by shared_ptr.
 - Add namespace dev::mix.
 - MixApplication: will be used to catch exception (not used now).
misc corrections
tab indentation
tab indentation in QML
style correction.
Add cmake file path (used to find QtDeclarativeConfig.cmake module)
delete reference to Qt5Declarative
delete qt5declarative from qt5_use_modules (cmake)
Merge pull request #531 from yann300/ide_m1

eth IDE milestone 1