Brought back snipMate compatibility file. We cannot rely on people tracking vim-snippets to have the renmamed version of this available there.

plugin/snipMate_compatibility.vim

@@ -0,0 +1,15 @@
+if exists('did_UltiSnips_snipmate_compatibility')
+       finish
+endif
+let did_UltiSnips_snipmate_compatibility = 1
+
+if ! exists('g:snips_author')
+       let g:snips_author = "John Doe"
+endif
+
+" Filename function, taken from snipMate.vim
+fun! Filename(...)
+    let filename = expand('%:t:r')
+    if filename == '' | return a:0 == 2 ? a:2 : '' | endif
+    return !a:0 || a:1 == '' ? filename : substitute(a:1, '$1', filename, 'g')
+endf