* tests for Czech
* Czech tests reviewed and fixed
+ Czech datetime and timespan localization with passing tests
* designer files removed
* Slovak and Czech formatters merged
* typos fixed
* redundant spaces removed
tidy-up
Merge branch 'clean-czech'
added new PRs to release-notes
refactored DateHumanizeTests & Verify logic
changed the Verify signature & refactored arabic tests
updated cs DateHumanizeTests to use Verify
renamed TimeUnitTense to Tense
moved DateHumanize.fi-FI tests to its folder & used Verify
moved DateHumanize.nb-NO tests to its folder & used Verify
moved date ro & ru tests to their folders & used Verify
changed de DateTests to use Verify
updated sk date tests to use Verify
Merge pull request #131 from MehdiK/clean-DateHumanizeTests

Clean date humanize tests