Minor modifications to schema
Fixed bug in activity datetime when changing sites

Any time the activity record gets saved the datetime should be set
since that time is converted from the active site's timezone before
writing to the database.
Adding new functionality
Capitolized title and added a web icon link
Adding a wrapper for the \Exception::getPrevious() method
Adding an option to ignore existing users
Moving favicon.ico to img directory
Merge branch 'release-0.1.0' of github.com:patrickdemond/cenozo into release-0.1.0
Making sure that all paths provided by settings are valid.
Removing template cache from directory check
Fixing HTML in error.php
Fixing domestic key name in setting table
Removing error on finding a NULL path
Renaming report variables
Tweaking and bug-fixing reports
0000261: File extension bug
0000259: Time sorter not working
Merge branch 'release-0.1.0' into develop
Adding download operation capability
Fixing bug in bump_version script