Updated routing.rst to clarify and expand it:
Split "Routing Definition" into two sub-sections and clarified what baseRouteName does and how all the action routes' names are generated
Listed the default routes defined by Sonata
Added note about how to see the current routes for an Admin (via the console)
Added note that removing a route stops Sonata from linking to that action
Added sub-headings to the "Removing a route" section
Cleaned up the "Default route in List Action" section
Tidied up and expanded the "Create a route" section
Updated routing.rst to clarify and expand it

Split "Routing Definition" into two sub-sections and clarified what baseRouteName does and how all the action routes' names are generated

Listed the default routes defined by Sonata

Added note about how to see the current routes for an Admin (via the console)

Added note that removing a route stops Sonata from linking to that action

Added sub-headings to the "Removing a route" section

Cleaned up the "Default route in List Action" section

Tidied up and expanded the "Create a route" section
Update translation.rst

Fixed formatting of multi-line lists

Switched order of examples in "Overriding the translation domain" section to put the simpler one first

Changed complex example so the field over-ride is using a different translation domain to the group default

Various readability edits
Merge pull request #1517 from caponica/trans-doc

Update translation.rst
Merge pull request #1516 from caponica/routing-doc2

Updated routing.rst to clarify and expand it
Merge remote-tracking branch 'remotes/upstream/master'