improve grammar in "Alternate customization methods" docs

BS3 commit 27424ee42287f5047345fc8d54c55eedcbc3c172
improve grammar in "Disabling responsiveness" docs

BS3 commit cc3077ac17eac65837b81ec0d289c3913383c9a0
move customizer onto gists

BS3 commit 29bf254fc360deef21d89751aa5dc7ffefc86e15
Finish first pass at and docment Bootstrap v2-ish theme

BS3 commit c56a749323836b7e0b7401d41de1d0c68a7cb7a8
update examples to BS3 latest