GPII-20: Adding a first integration test for the Orca settings handler
GPII-20: Add integration tests for the Flat matchmaker

[Added NP sets]
  * os_common
  * screenreader_common

Both "MikelVargas" and "sammy" NP sets have been commented, so they
aren't being tested.
GPII-20: Setting average-pitch expected value to 7

Updating average-pitch's value according to Orca's default
see:
https://git.gnome.org/browse/orca/commit/?id=3ead40a2befb04cbd25f9edf96b6c94de285a1c9
GPII-20: Adding remaining NP sets for integration testing

[NP sets for integration testing]
  * os_gnome
  * os_win7
  * screenreader_orca
  * screenreader_nvda

Uncommenting "MikelVargas" and "sammy" NP sets
GPII-20: First steps at updating linux acceptance testing to work with framework changes in universal
GPII-20: Finishing with linux's AcceptanceTesting

[changes]
  * Updating sammy's scaling-factor expected value
  * Adding 'processes' for Orca-related tests
  * Leaving all the users nncommented
Merge pull request #3 from javihernandez/GPII-20_cont

GPII-20: Acceptance tests for Linux