Merges libs/core, libs/ipkg, libs/web, libs/sys, libs/sgi-cgi, libs/sgi-uhttpd,
modules/admin-core, themes/base and protcols/core into modules/base and renames
luci-lib-core to luci-base.
Drop 11b support since its not properly supported by mac80211 anyway.
Rename 'hwmode' option to 'Band' and remove dependencies from 'htmode' field.
Signed-off-by: Jo-Philipp Wich <jow@openwrt.org>