flatten docs dir back into root

BS3 commit a8005b3d0b8599611e8bfc864e704b50411fcb69
finish flattening repo structure; add dist folder of compiled css/js

BS3 commit 7bb8817947dd6e453dc01a5131bc964a5d74e051
add some additional excludes
add additional ignores
Clean up tooltip's trigger description in the docs.

BS3 commit 3e8b3a246a3a7142f969ade63bbe21948085f4f2
`<input>` and `<select>` sizing update

BS3 commit e440ff4b3f872af175873283899cb40f50b8010f
fix typo / doc components.html responsive menu dropdowns now have ref to .dropdown-header instead of .nav-header

BS3 commit bbe0d0d87460cf99262c8fec1e8e9bca69258aec
typo fixed: highligted source code of second radio button was missing

BS3 commit 416fd9d19b9f3f302bcf4479a202b041ff621a1b