Minor fixes and new features

- Small change in the sample code (translated to English)
- Small change in project and environment settings (changed event
`OnClick` to `OnChange`)
- Adjustment to the new compiler
- Fixed some texts in Polish translation
- When closing form, newly created project is saved onto the "Recently
opened" list
- Enables saving compiler messages into file or clipboard
- Fixed loading a language file from another (than default) work
directory
- Fixed the `%newline%` marker in language file
- Fixed form maximizing on run
- Closes #6
- Closes #12
readme.md
Compiler update (commit e7b7bde352)

- New keywords: `type`, `const`
- New compiler command-line option: -iconst
General changes + easter egg

- Changed `getLangValue` to a better solution
- Updated the `About` form
- Fixed highlighting `@` macros
- Fixed `scroll past EOL` option
- Fixed the `You must restart the environment (...)` message in settings
- Added a `-sconst` compiler switch
- Added a small easter egg :-)
- Small change in `readme.md`
New demo

- Added new demo: Mandelbrot
- Fixed VM and compiler paths in demos
readme.md
?
/build
Merge remote-tracking branch 'origin/master' into stable

Conflicts:
	demos/fibonacci/project.ssp
	editor.exe
	editor.lps
	lang/Polski.lng
	mLanguages.pas
	mProject.pas
	uEvSettingsForm.pas
	uMainForm.pas
	uProjectSettings.lfm
	uProjectSettings.pas