import/export panel adjustments

Allow saving files without .cfg extension.
Show hidden files in import/export panel.
Default filename is untitled.cfg.
Exporting a file which has been imported will suggest the same filename
update changelog
Re-read pasteboard data before app becomes active.
if started from Uncrustify plugin, don't parse launch arguments as files
Some improvements for the NSOpenPanel/NSSavePanel managing the configuration file
Merge pull request #3 from benoitsan/master

Some improvements for the NSOpenPanel/NSSavePanel
Update Bundled BBUncrustifyPlugin
Update BBUncrustifyPlugin to 1.0.2
Bump version to 0.4. Update Changelog
Update fixed download link to 0.4
Update Readme
update TODO
fix fault with pasteboard not being cleared after reading contents.
Bump version 0.4.1
Reference local icon in readme
Place screenshots in master branch
Documentation panel selected languages behavior changes.

Documentation panel now shows the union of all the ticked languages, plus all options with no assigned language.

Fixes #5
Correct fault that may create nil RHS in predicate

Fixes #6
Update Changelog
update download link