removing public content that can possibly offend people. I am fully regretful of have written something that could offend someone. Sorry :(

XUnit XML validation -addresses issues 207 and 201

Added missing import for traceback

os.getenv does not raise an exception when the value is not found. This ...

os.getenv does not raise an exception when the value is not found. This code fix returns (LINES, COLUMNS) when the env vars are defined, (25, 80) when they are not defined. Previously, (None, None) was returned

Reraise the exception rather than raising a copy, tests continue passing. Thanks @jtatum

Doc dev

Applied same symbols for sections in all pages of documentation, as described in docs/dev/documentation. '#' with overline for H1, '*' with overline for H2, '=' for H3, '-' for H4.

Development guidelines: sharing vision and practices

Introduced directory dedicated to development guidelines in documentation. Moved some existing ressources to this new directory. Introduced Debian specific install commands.

Added Norwegian to languages.py

includes:
  * Italian support
  * Turkish support
  * Simplified and Traditional Chinese support
  * Russian and Ukranian support
  * @before.* and @after.* callbacks now return their originally decorated functions
  * I had to add a disclaimer on letuce documentation about the poor xunit output support and step.behave_as

adding a disclaimer on the documentation to warn users about xunit and behave_as features that are not well tested in the codebase