Notepad++ 7.5.4 enhancements & bug-fixes

1. Fix a crash bug due to disordered notifications sent to plugins.
2. Fix encoding broken regression.
3. Improve smart highlighting performance.
4. Auto-completion enhancement: remove unwanted symbols {} for variable names.
5. Add auto-completion for BaanC & CoffeeScript.
6. Fix localization copy regression in Installer.

Included plugins:

1. NppExport v0.2.8 (32-bit x86 only)
2. Converter 4.2.1
3. Mime Tool 2.1
4. DSpellCheck 1.3.5

Updater (Installer only):

* WinGup v4.2