GPII-161: Add support for some specific GNOME solutions

This patch includes the support to deal with these following gsettings
schemas:

  - org.gnome.shell.overrides
  - org.gnome.desktop.wm.preferences
GPII-75: added support for save functionality through the flow manager.
GPII-259: Including org.freedesktop.xrandr on the solution registry
GPII-259: Adding org.freedesktop.xrandr into installedSolution.json
GPII-259: Adding 'randy' N&P set for test purposes
GPII-277: Using the new Android's native settings Settings Handler

[changes]
  * Adding the new Settings Handler to be used into Talkback's solution
entry
  * Improving paulina N&P set to to change the speech rate of the active
TTS engine
GPII-341: added ontology transformations in one of the files
GPII-343: Using the new Settings Handler for ALSA volume

[changes]
  * Adding ALSA into the solutions registry
  * Adding ALSA into installedSolutions.json
  * Adding an example N&P set (alsa.json)
GPII-356: Added the new quantize transform function with tests.. plus a minor cleanup in transformer
GPII-341: made some additions and corrections in the ontology
GPII-342: Copied ontology stuff to the second ontology file
GPII-341, GPII-342: Updated solution entries, inverse rules and NP sets to adhere to new pilot terms
GPII-341,GPII-342: Fixed stupid error in linux.json
Merge branch 'GPII-356'

* GPII-356:
  GPII-356: Added the new quantize transform function with tests.. plus a minor cleanup in transformer
Merge branch 'master' into GPII-75
Merge remote-tracking branch 'kaspermarkus/GPII-341'

* kaspermarkus/GPII-341:
  GPII-341,GPII-342: Fixed stupid error in linux.json
  GPII-341, GPII-342: Updated solution entries, inverse rules and NP sets to adhere to new pilot terms
  GPII-342: Copied ontology stuff to the second ontology file
  GPII-341: made some additions and corrections in the ontology
  GPII-341: added ontology transformations in one of the files
Merge branch 'master' into GPII-75
GPII-308: Adding transformation for system volume common term

It matches with "-provisional-general.-provisional-volume" common term.
GPII-75: updated tests to work with kettle test utils. Added development tests for global dev config.
GPII-75: added tests for user save via the flow manager.