Fix a lot of misspelling in Ukranian translation:
- many fixes from checking with GNU Aspell 0.60 Ukrainian Dictionary
- fixed terms according to Microsoft Ukrainian STYLE GUIDE Version 1.2
- instead English char 'i' used Ukrainian one
- deleted trailing whitespaces
- added missing translations
Submited patch refer to Ukrainian.nlf and Ukrainian.nsh files
that lies into "D:\opt\NSIS\Contrib\Language files\" like directory.
new patch with additional fixes of misspells