Related?  http://sublimetext.userecho.com/topic/103715-folders-in-a-project-dont-always-update/

I think these may be related:

http://sublimetext.userecho.com/topic/119273-project-folders-do-not-update-when-accessing-samba-share-in-windows/ 

A unified plugin to handle C/C++ as well as the languages that  SublimeCodeIntel  handles would be nice.

Another useful plugin is the CTags plugin.  It requires a lengthy tag generation cycle (particularly if the code resides on a network share.)  But, once generated, navigating the C code is quick.  It is in the package manager.  More info here:

https://github.com/SublimeText/CTags