Add ncm2 support

Author: SevereOverfl0w

autoload/async_clj_omni/ncm2.vim

@@ -0,0 +1,25 @@
+if exists('g:async_clj_omni_loaded_ncm2')
+    finish
+endif
+let g:async_clj_omni_loaded_ncm2 = 1
+
+function! s:on_complete(c)
+  call fireplace#omnicomplete({candidates ->
+        \ ncm2#complete(a:c, a:c.startccol, candidates, 1)
+        \ },
+        \ a:c.base)
+endf
+
+function! async_clj_omni#ncm2#init()
+  call  ncm2#register_source({
+        \ 'name': 'async_clj_omni',
+        \ 'mark': 'clj',
+        \ 'priority': 9,
+        \ 'word_pattern': '[\w!$%&*+/:<=>?@\^_~\-\.#]+',
+        \ 'complete_pattern': ['\.', '/'],
+        \ 'complete_length': 0,
+        \ 'matcher': 'none',
+        \ 'scope': ['clojure'],
+        \ 'on_complete': function('<SID>on_complete'),
+        \ })
+endf

ncm2-plugin/async_clj_omni.vim

@@ -0,0 +1 @@
+call async_clj_omni#ncm2#init()