Smart Directory management for both eclipse and cubemx projects direc…

[fab672000]

…tories. New automatically created configuration INI file will keep track of directories. After one successful execution, it can now use a relative directory name without the parent path (rarely changing) and it will resolve it. if bad path is entered now a directory open dialog will open and prompt user. Correct paths are stored for later use in the configuration file !

Added (automatically generated first time) config file API, Smart Directory resolving APIs. All backward compatible new features so new version is 0.3.0.