l10n: add a script for removing useless merge conflicts in .mo files.
We scan for the conflict markers and remove any conflict consisting only of line number differences.
Usage: {{{ python contrib/l10n_sanitize_diffs.py trac/local/fr/LC_MESSAGES/*.po }}}
Authored by: cboos 2013-01-26
Parent: [r11562]
Child: [r11564]
