Pathhelpers

- Updates for multiple extension processing
CloudModule

- Updated to use the actual region size rather than assume 256 x  256
IAR processing

- Updated InventoryArchive read/wrtie for the current V0.3 format
- Create import folder if it does not exist
- Check for duplicate folders
- Check for existing assets
- Added permission cheeks (if required) during save
- Cleaned up command code to provide a —-noassets & -—perm switch
options for the save command
— additional ‘smarts in the load & save commands
- command format change (Reverse IAR file and inventory path)   —
load/save iar [filename] inventory Path]]
Merge pull request #1 from WhiteCoreSim/master

Some updates from WhiteCore master