Now, this Unite source is bundled in original unite.vim. You don't need to install unite-lines explicitly, so Don't use this reository
2011/06/26
http://d.hatena.ne.jp/thinca/20101105/1288896674
Unite lines
or :UniteWithCursorWord lines
control whether ack search keyword is highlighted in unite buffer
default: 1
color setting applied to search keyword when g:unite_source_ack_highlight is true
default: "gui=bold ctermfg=255 ctermbg=4 guifg=#ffffff guibg=#0a7383"
nnoremap <silent> <expr><Space>l ":<C-u>UniteWithCursorWord lines<CR>"