Merge pull request #95 from Volter9/master

Added Assets class
Small update

Set bootstrap view, add/edit languages, clean style.css, add subpage,
when word not found on language file then show word "definition", change
get_template_path to template_path
Update welcome.php
@Volter9 suggestions
Merge branch 'master' of https://github.com/QsmaPL/v2
Updated the type.
Update composer.json
Update composer.json
Update composer.json
Update composer.json
Update composer.json
Merge pull request #99 from Volter9/master

Adding abstract to Model and Controller
Merge pull request #97 from QsmaPL/master

Small update
Fixed <br/> tags and added Russian translation