Cleanup: Move all the imports to the top
Cleanup: Include the formats declaration inside main()
Remove usage of third party itools library

This implies removing the --engine option in odf2xliff.
Cleanup: Remove unnecessary function
File discovery: also include the base directory

This is a regression introduced in e834585 which prevented Pootle's
terminology feature from working properly when the app was deployed using
a git clone.
Cleanup: Remove unused code
Random cleanups
Cleanup: Move function inside factory

It is not used in any other place and this simplifies code making it
more readable.
Cleanup: Just close and reopen files once
Cleanup: Remove unused code in ODF conversion

Appending the translated XLIFF file to the translated ODF file is not done,
probably because it complicates testing the roundtrip conversion.
Cleanup: Remove unused parameter in xliff2odf

This is no longer needed since we dropped the ability to include the XLIFF
file within the ODF package.
Cleanup: Remove another unused parameter in xliff2odf
xliff2odf cleanups
odf2xliff: Simplify code by dropping contextmanager
odf2xliff: Minor cleanups
xliff2odf: Remove another unnecessary function
xliff2odf: Drop another unnecessary function
Random cleanups
Random cleanups
Hebrew: Added acronym bypass.