Update Resources/doc/1-installation.md

- markdown content fixed in order to get the code-blocks to work
- twitter-bootstrap is now available directly with Packagist, unneeded code has been removed
Update Resources/doc/2-base-templates.md
Fix template insertion in twig.form.resources

We can't be sure that the core template will be in first position (see https://github.com/symfony-cmf/RoutingExtraBundle/pull/48/files#r2514138)

Now the core template is searched and if it exists, mopa's template is inserted right after.
Create pagination.nl.yml

Added pagination translator for Dutch locale
Closing label tag in choice_widget when label_render is false
npmjs.org/install.sh moved to https updating link
Explicitly import local macro in flash.html.twig
Merge pull request #352 from jcrombez/patch-2

Update Resources/doc/1-installation.md
Merge pull request #353 from nursultan92/patch-1

Update Resources/doc/2-base-templates.md
Merge pull request #358 from kibao/master

Closing label tag in choice_widget when label_render is false
Merge pull request #362 from gaspaio/master

Do not call local macro using _self
Merge pull request #356 from EmmanuelVella/patch-1

Fix template insertion in twig.form.resources
Merge pull request #357 from sstok/patch-1

Create pagination.nl.yml
Merge pull request #359 from dbellettini/patch-1

npmjs.org/install.sh moved to https updating link
Label render in choice_widget
Merge pull request #364 from smoya/master

Label render in choice_widget
Update Resources/views/Navbar/navbar.html.twig

Full-width navbar that scrolls away with the page by adding .navbar-static-top
Fixed removing of a collection item 

The affected line leads to a removal of the entire collection 
including the label.

This is just a quick fix until the functionality has been revised.
Fixes #370
 
add bootstrap-datepicker for DateType
add initialize datepicker after creating a date field