Issue #31 - Page redirect, Non-MS Excel spreadsheet, Stage 2 and 3 errors.

[reynoldtan]

• Admin pages redirect to page not found in:
  1. Create a project
  2. Delete header, user and environment data file
• Similar trait not suggested in Stage 2 - Describe Trait
• Non-Microsoft Excel spreadsheet (eg. from LibreOffice) fails validation
• Extra spaces in column headers fail Stage 3 - Save Spreadsheet

[laceysanderson]

Fixed in referenced pull request or pulled out into separate issues.