Clean up all file headers

- remove author names. There's git blame for this job
- change home from code.google to github
- add short descriptions

syntax/omnipresent_syntax.vim

@@ -1,8 +1,7 @@
 " vim:tabstop=2:shiftwidth=2:expandtab:foldmethod=marker:textwidth=79
 " Vimwiki syntax file
-" Syntax definitions which are always available
-" Author: Daniel Schemala <istjanichtzufassen@gmail.com>
-" Home: http://code.google.com/p/vimwiki/
+" Desc: Syntax definitions which are always available
+" Home: https://github.com/vimwiki/vimwiki/
 
 
 " Define Regexes of anchors for every syntax.

syntax/vimwiki.vim

@@ -1,7 +1,6 @@
 " vim:tabstop=2:shiftwidth=2:expandtab:foldmethod=marker:textwidth=79
 " Vimwiki syntax file
-" Author: Maxim Kim <habamax@gmail.com>
-" Home: http://code.google.com/p/vimwiki/
+" Home: https://github.com/vimwiki/vimwiki/
 
 " Quit if syntax file is already loaded
 if version < 600

syntax/vimwiki_default.vim

@@ -1,8 +1,7 @@
 " vim:tabstop=2:shiftwidth=2:expandtab:foldmethod=marker:textwidth=79
 " Vimwiki syntax file
-" Default syntax
-" Author: Maxim Kim <habamax@gmail.com>
-" Home: http://code.google.com/p/vimwiki/
+" Desc: Defines default syntax
+" Home: https://github.com/vimwiki/vimwiki/
 
 " text: $ equation_inline $
 let g:vimwiki_rxEqIn = '\$[^$`]\+\$'

syntax/vimwiki_markdown.vim

@@ -1,8 +1,7 @@
 " vim:tabstop=2:shiftwidth=2:expandtab:foldmethod=marker:textwidth=79
 " Vimwiki syntax file
-" Default syntax
-" Author: Maxim Kim <habamax@gmail.com>
-" Home: http://code.google.com/p/vimwiki/
+" Desc: Defines markdown syntax
+" Home: https://github.com/vimwiki/vimwiki/
 
 " text: $ equation_inline $
 let g:vimwiki_rxEqIn = '\$[^$`]\+\$'

syntax/vimwiki_markdown_custom.vim

@@ -1,7 +1,7 @@
 " vim:tabstop=2:shiftwidth=2:expandtab:foldmethod=marker:textwidth=79
 " Vimwiki syntax file
-" Author: Stuart Andrews <stu.andrews@gmail.com>
-" Home: http://code.google.com/p/vimwiki/
+" Desc: Special stuff for markdown syntax
+" Home: https://github.com/vimwiki/vimwiki/
 
 " LINKS: assume this is common to all syntaxes "{{{
 

syntax/vimwiki_media.vim

@@ -1,8 +1,7 @@
 " vim:tabstop=2:shiftwidth=2:expandtab:foldmethod=marker:textwidth=79
 " Vimwiki syntax file
-" MediaWiki syntax
-" Author: Maxim Kim <habamax@gmail.com>
-" Home: http://code.google.com/p/vimwiki/
+" Desc: Defines mediaWiki syntax
+" Home: https://github.com/vimwiki/vimwiki/
 
 " text: $ equation_inline $
 let g:vimwiki_rxEqIn = '\$[^$`]\+\$'