Closes notepad-plus-plus#2375

No more config.model.xml. config.xml is generated by notepad++ directly.

This bug can be reproduce by turning off smart highlight then restart
Notepad++ : some smart highlight options are still enabled.

Fixes notepad-plus-plus#2442, closes notepad-plus-plus#2465

Failed backups result in a user error message and asks to save the file anyways. Closes notepad-plus-plus#2346, Closes notepad-plus-plus#2441

Add new option to enable smat highlighting extension to anothe view,
while both views are visible side by side.

Tab settings per language broken due to the entries are doubled by error
during the preferences dialog reorganization.

Remove also unecessary files

Closes notepad-plus-plus#2482

- changes necessary to get back a buildable version with mingw, last adapted with notepad-plus-plus#1229
- fixed some gcc compiler errors and warnings, see https://ci.appveyor.com/project/chcg/notepad-plus-plus/build/1.0.3 to https://ci.appveyor.com/project/chcg/notepad-plus-plus/build/1.0.13
- remaining task is the wincontrol "ReadDirectoryChanges", which uses ATL, propably not available with mingw
Closes notepad-plus-plus#2478

* update translations to v7.1
* correct indent
Closes notepad-plus-plus#2436

Closes notepad-plus-plus#2414

Update to v7.0

Closes notepad-plus-plus#2412

Sync UTF-8 checkbox with UTF-8 radio button

Closes notepad-plus-plus#2377

- added usable cmake config file by transferring files structure from visual studio project file
- contains also basic support for mingw make file creation
- see https://ci.appveyor.com/project/chcg/notepad-plus-plus/build/1.0.38 for successful with own appveyor config

Closes notepad-plus-plus#2477

Fixes notepad-plus-plus#2520, Fixes notepad-plus-plus#2525

1. Radio button and edit box were overlapped
2. Edit box and comboxed were not vertically aligned.