- removed the comment outline between title and toc (commented it out)
- added a section about the current (RDBMS base) implementation to chapter 3. Also renamed chapter 3 to 'Problem description' and demoted its existing content to a section
- in chapter 4: section 'system architecture' now precedes the section 'software components'
added some chapter summary comments
moved iSpect requirements/Construction fault data model to follow iSpect requirements/Architecture