DROID ouput parsing fixes

Various fixes:

* FileChecker::checkFromDroidOutput(): do not skip directories despite
  having shorter lines in the droid output
* enable code coverage computation and upload

Thumbs.db and .DS_Store files removal added

3.14.0

CheckFunctions::check00RemoveFiles() added

Relax the file/dir name check

The previous check required at least three characters which was an undocumented behavior. Now it accepts single and two characters file/dir names.

Do not generate info message for valid PDFs

3.13.3

CheckFunctions::check11PdfFile(): do not generate the info message fo…

Harden against files removed during the filechecker run

3.13.2

FileChecker::checkFromDroidOutput(): catch and report as ordinary err…

Harden against broken DROID output

3.13.1

FileChecker::checkFromDroidOutput(): harden against uncomplete lines …

Allow to continue an interrupted check

3.13.0

FileChecker::checkFromDroidOutput(): remove the debugging break state…

Bugfixes

Harden against error messages with non-UTF8 characters and force an exception on any JSON serialization error.

Tuning

• Tune the locale check
• Include the droid output in the reports dir

Bugfixes

FileChecker:

• check for utf8 locale
• fix the droid output reading