Repository general files update

Updated gitignore to skip additional files.
Updated configuration.
Pinned WSME version to 0.6.1 as 0.6.2 is causing troubles with python
3.3 and later.
Updated tox configuration to integrate coverage and configuration
updating entries.

Change-Id: Ibf474cf978758e8d5e299e523fbc26687a6e4aa7
Merge "Repository general files update"