Extend NumberFormat filter
Rename Number filter to NumberParse

As suggested by @denixport.
Register NumberParse filter in FilterPluginManager
Remove package annotation

As suggested by @samsonasik.
Fix condition
Change order of inheritance
Fix CS
Fix name of test
Merge pull request #4510 from localheinz/feature/number-filter

Introduce Zend\I18n\Filter\NumberParse based on Zend\I18n\Filter\NumberFormat
Merge branch 'feature/4510' into develop

Close #4510
Fixes #4493