Need to make some minor changes to GetSpokenViewDate to change wording

This month -> Earlier this month
This year -> Earlier this year

and add 'Last week'.

First working version of code

http://forum.team-mediaportal.com/threads/decision-on-recorded-tv-fixes-for-1-3-0beta.113197/page-3#post-924126

and updated version of logic (needs to use localised strings)

http://forum.team-mediaportal.com/threads/decision-on-recorded-tv-fixes-for-1-3-0beta.113197/page-5#post-925114