First attempt to make the scripts useful for the other translators.
Extras and translated_snippets definitions moved
pass1.py -- refactoring, English comments
launcher scripts for Czech and French
util/exceptions/ created (with language subdirs)
pass1.py fixed
pass2.py slightly modified (not finished)
enSync.py -- self testing of the English original
README updated for the new project
LaTeX and HTML generators moved and updated
pass1 produces single.markdown file for future HTML and PDF generation...

... via PanDoc.
pass2.py improved, more comments translated to English
pass1.py fixed; pass2.py comments fully translated to English