add kv file support!

ftplugin/kv.vim

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+set softtabstop=4
+set textwidth=79
+set shiftwidth=4
+set expandtab
+set tabstop=8
+set list
+set listchars=tab:__,trail:.

plugin/kv.vim

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+au BufRead,BufNewFile *.kv set filetype=kv

syntax/kv.vim

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+" Vim syntax file
+" Language:	Kivy
+" Maintainer:	George Sebastian <11george.s@gmail.com>
+" Last Change:	2011 May 1
+
+" For version 5.x: Clear all syntax items.
+" For version 6.x: Quit when a syntax file was already loaded.
+if version < 600
+  syntax clear
+elseif exists("b:current_syntax")
+  finish
+endif
+
+syn match kivyPreProc       /#:.*/
+syn match kivyComment       /#.*/
+syn match kivyRule          /<\I\i*\(,\s*\I\i*\)*>:/
+syn match kivyAttribute     /\<\I\i*\>/ nextgroup=kivyValue
+
+syn include @pyth $VIMRUNTIME/syntax/python.vim
+syn region kivyValue start=":" end=/$/  contains=@pyth skipwhite
+
+syn region kivyAttribute matchgroup=kivyIdent start=/[\a_][\a\d_]*:/ end=/$/ contains=@pyth skipwhite
+
+if version >= 508 || !exists("did_python_syn_inits")
+  if version <= 508
+    let did_python_syn_inits = 1
+    command -nargs=+ HiLink hi link <args>
+  else
+    command -nargs=+ HiLink hi def link <args>
+  endif
+
+    HiLink kivyPreproc      PreProc
+    HiLink kivyComment      Comment
+    HiLink kivyRule         Function
+    HiLink kivyIdent        Statement
+    HiLink kivyAttribute    Label
+  delcommand HiLink
+endif