Navbar refactor

BS3 commit 8bb7def26cac4d3166fbf2cc98f16c4151794676
patch highlighting hint

BS3 commit e5263fb6ad8192fe4ca87e11588cef7572ae7aba
derp

BS3 commit f15f259876d77004fadf5b5937af5ab6b5eabb8e
Added input-size mixin

BS3 commit ce77f10ce5f53be5a6baf11f50a99b0bca48e99a
Added pagination-size mixin

BS3 commit 3e373a844c7763f513d1aec13fcd5da9d4bcd1e8
focused input in docs gets actual focus styles

BS3 commit d482b712e750cb7bb17e8076fb06752e3627ac4a
fix mixin code example

BS3 commit e7d6bd94b79275bcfa0829e49f118d09d2cd1361
specify font-size in dropdown menus to avoid inheritance issues

BS3 commit 270af4dda31692eb22d48d56db5c98a0c89f4c28
lighter default navbar, add borders to navbars, tweak padding and alignments

BS3 commit 3c772b1cebfed73570247691917b40fcf3d95aa2
only affix the sidenav in the docs if the viewport is >800px tall

BS3 commit bb059f28dea0463f44f265ad8f924d3cb508aa42
remove accordion from customizer; shorten min height for affix

BS3 commit d1e18e55ac7ccc069671bed4314ca9f965a09de7
Tiny typo in class prefix

BS3 commit 66122fa153e3d0e18c9796d93f674f0b04831ee9
tweak punctuation in sentence of docs

BS3 commit 13d2616631d9c40d3022ab1949be52f86a23b712
remove action attribute
CSS Grid old classes in use

BS3 commit 1fd51b0fa30f3a5a9fe563be393f2917d3821fbb
Added hidden-print class to docs sidebar

BS3 commit 6f7c3e2d5b5bbf0aeec4b1d3ea1cb454d5debf24
Remove old accordion remnant

BS3 commit 4ff48c9c3ca4803fafcf62df6945abed6a29603c
Reference only not minified files in Bower

BS3 commit 518c32423e85bca407396012bd1387a7bab9ede2
OL breadcrumbs

BS3 commit b9620a1d5e519d1befd14f811c91b87f3c49f00b
Fixed inconsistencies in JavaScript examples

BS3 commit 3890ab3987a4fb0027fbfcafe1d6e3f31c9fcf4a