I've switched from NeoComplete to YouCompleteMe because it has much better intellisense, though I had NeoComplete working much better with Omnicompletion.
NeoComplete was able to automatically provide a popup with the right completions without me having to enter a specific mapping (
<C-x><C-v> for Vim commands,
<C-x><C-d> for directories, etc.). If I typed
colorscheme for example, it would provide completions for all my schemes.
How can I get YouCompleteMe to do the same? At the moment, it overrides the
<C-x><C-u> command, but if I want Vimscript or directory completion I have to enter the default key bindings.