Break up config, add other improvements.

ftplugin/java.vim

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+let g:JavaImpDataDir = $HOME . "/.vim/JavaImp"
+
+" F7 to call clean redundant Java imports and sort them
+function JavaImpClean()
+	%!~/bin/clean_imports.sh %
+	:JavaImpSort
+endfunction
+:command JavaImpClean exec JavaImpClean()
+:nnoremap <F7> :JavaImpClean<CR>
+
+"let makeprg = 'java -cp /opt/boxen/homebrew/opt/checkstyle/libexec/checkstyle-6.0-all.jar -c '. vimrc_git . '/checkstyle.xml %:p'
+let makeprg = 'checkstyle -c '. vimrc_git . '/checkstyle.xml ./%'
+
+let &makeprg=escape(makeprg, ' ')
+setlocal errorformat=%f:%l:\ %m,%f:%l:%v:\ %m,%-G%.%#
+

ftplugin/javascript.vim

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+setlocal fdm=indent
+setlocal smartindent

ftplugin/markdown.vim

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+" set a smaller indent
+setlocal ts=2
+
+" and set up the buffer just like a text file
+let oldwd = getcwd()
+exec "cd ~/.vim/ftplugin"
+source text.vim
+exec "cd " . oldwd

ftplugin/text.vim

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+" don't hard break text
+setlocal tw=0
+" keep soft breaks between words
+setlocal linebreak
+" turn list off as it interferes with soft wrapping
+setlocal nolist!
+" turn off breaking when typing new text
+setlocal formatoptions-=t
+" turn off line width hint
+setlocal colorcolumn=0
+
+" narrow width for gui since text will softwrap based on width
+if has("gui_running")
+    " narrow the gui window for text wrangling
+    setlocal columns=120
+endif
+
+" open full screen with macvim
+if has("gui_macvim")
+    set fuoptions=maxvert,maxhorz
+    au GUIEnter * set fullscreen
+endif