[TICKET TO CREATE] Import Bootstrap fork in XS

pom.xml

xwiki-platform-core/pom.xml

xwiki-platform-core/xwiki-platform-bootstrap/README.md

xwiki-platform-core/xwiki-platform-bootstrap/pom.xml

...form-core/xwiki-platform-bootstrap/src/main/.eslintignore

...latform-core/xwiki-platform-bootstrap/src/main/.gitignore

...tform-core/xwiki-platform-bootstrap/src/main/Gruntfile.js

...i-platform-core/xwiki-platform-bootstrap/src/main/LICENSE

...bootstrap/src/main/fonts/glyphicons-halflings-regular.eot

...bootstrap/src/main/fonts/glyphicons-halflings-regular.svg

...bootstrap/src/main/fonts/glyphicons-halflings-regular.ttf

...ootstrap/src/main/fonts/glyphicons-halflings-regular.woff

...otstrap/src/main/fonts/glyphicons-halflings-regular.woff2

...rm-core/xwiki-platform-bootstrap/src/main/grunt/.jshintrc

...core/xwiki-platform-bootstrap/src/main/grunt/.stylelintrc

...-core/xwiki-platform-bootstrap/src/main/grunt/browsers.js

...latform-bootstrap/src/main/grunt/bs-commonjs-generator.js

...-bootstrap/src/main/grunt/bs-glyphicons-data-generator.js

...ki-platform-bootstrap/src/main/grunt/bs-lessdoc-parser.js

...atform-bootstrap/src/main/grunt/bs-raw-files-generator.js