Changed 'vteřina' to 'sekunda' in Czech translation
Changed delimiter between hours and minutes from colon to dot in Czech language
Add space after day and month in 'L' and  'l' format in Czech language
added load-grunt-tasks to gruntfile
Merge pull request #1480 from Mayho/grunt-tasks

added load-grunt-tasks to gruntfile
Remove specific versions from dev deps and try to use latest
Merge pull request #1527 from ichernev/fix-dependency-versions

Remove specific versions from dev deps and try to use latest
Update nn.js

Correcting some minor details
Update nn.js

Correcting some minor details
Update nn.js
Fix short date format in nn according to 39693d28c12cd
Merge pull request #1526 from ichernev/mechuwind-develop

Fixes to nn (rebased)

@changelog
@section bugfix
@description improvements to Norwegian language
Improve serbian latin translation
Add serbian cyrillic language
Merge pull request #1528 from ichernev/serbian-improvements

@changelog
@section enhancement
@description Improve serbian latin translation
Merge pull request #1529 from ichernev/serbian-cyrillic

@changelog
@section feature
@description Add serbian cyrillic language
Merge pull request #1426 from JakubOnderka/develop

@changelog
@section bugfix
@description Changed longDateFormat of LT a L to right format used in Czech language