Basic implementation of CTRL-F (#50)

Known issues:
- Returns to normal search instead of Oblique search On CTRL-C
- Does not work in operator-pending mode
- Does not highlight current match

plugin/oblique.vim

@@ -1,4 +1,4 @@
-" Copyright (c) 2014 Junegunn Choi
+" Copyright (c) 2015 Junegunn Choi
 "
 " MIT License
 "
@@ -233,6 +233,17 @@ function! s:matchadd(...)
   endif
 endfunction
 
+nnoremap <Plug>(Oblique-o-/) /
+nnoremap <Plug>(Oblique-o-?) ?
+xnoremap <Plug>(Oblique-o-/) /
+xnoremap <Plug>(Oblique-o-?) ?
+function! g:_oblique_on_event(evt, new, cursor)
+  call feedkeys(
+        \ (s:backward ? "\<Plug>(Oblique-o-?)" : "\<Plug>(Oblique-o-/)") .
+        \ s:matching . "\<C-F>")
+  return [g:pseudocl#EXIT, a:new, a:cursor]
+endfunction
+
 function! g:_oblique_on_change(new, old, cursor)
   if getchar(1) != 0
     return
@@ -442,6 +453,7 @@ function! s:oblique(gv, backward, fuzzy)
     \ 'prompt':    ['ObliquePrompt', (s:count > 1 ? s:count : '') . (s:fuzzy ? 'F' : '') . sym],
     \ 'input':     s:optval('prefix') . vmagic,
     \ 'history':   history,
+    \ 'on_event':  function('g:_oblique_on_event'),
     \ 'map':       s:optval('enable_cmap'),
     \ 'highlight': 'ObliqueLine'
     \ }