Renaming of variables in cell and space struct

Renamed 'h' in cell struct to 'width' and renamed 'h' and 'ih' in the space struct to 'width' and 'iwidth'.

mentioned in issue #191 (closed)

Looks like there are a few issues when compiling in MPI mode. Let me address these.

Added 1 commit:

• dac0b613 - Fixes in MPI mode

Status changed to merged

mentioned in commit cf850c0f