fix(webapps/front-end-build): use vendor bootstrap styles

Related to CAM-1712
feat(webapps/front-end-build): optimize build

Get rid of a number of resources in final build

- use locally packaged bootstrap
- use locally packaged angular-ui
- renamed assets/patched to assets/local for clarity
- add .patched or -patched to patched resources for clarity
- update require-conf to reflect new changes

Related to CAM-1712
chore(webapps/front-end-build): remove unused bower libs