[feature/add-bootstrap-template] Adds Twitter bootstrap as a requirement for the Bundle

[feature-add-bootstrap-template] WIP tests scripts triggering in the bundle composer.json

[feature-add-bootstrap-template] WIP adds a command to symlink the bootstrap css files

[feature-add-bootstrap-template] Fixes bug when passing dir path to the exists method of the Filesystem

[feature-add-bootstrap-template] WIP fixes the mising static prefix before $fileSystem calls

[feature-add-bootstrap-template] WIP mirrors folders instead of only symlink

[feature-add-bootstrap-template] Adds basic layout and the symlinking of the js bootstrap files

[feature-add-bootstrap-template] Modifies the basic template of a choice type and removes the JS files from the script since they were useless

[feature-add-bootstrap-template] Adds style to questions list

[feature-add-bootstrap-template] Adds error messages styling

[feature-add-bootstrap-template] Adds documentation for the bundle installation, specially the Twitter bootstrap dependency

[feature-add-bootstrap-template] Convert the documentation that was made using Markdown syntax, into RST

[feature-add-bootstrap-template] Fixes static call to the Filesystem component that does not require to be static

[feature-add-bootstrap-template] Removes the filesystem class property since it is only used inside of the symlink function