Merge branch 'release/v0.4'
README: fixed typo, scan => user.
Removed the fork link
README: Updated contributing instructions
README: Updated contributing instructions
README: Updated contributing instructions
bundle update
Remove default value from text fields for mysql

MySql doesn't support default values for text fields. This removes them,
and fixes the model to return an empty string when the field is NULL.
Merge pull request #22 from Ikke/fix-mysql-issues

Remove default value from text fields for mysql
Scan#error_messages: forced to string
Bumped version number to 0.4.1
Gemfile: gem 'arachni', '0.4.3'
bundle update
Resolving conflicts

Conflicts:
	Gemfile.lock
	README.md
README.md: Resolving conflicts
Merge branch 'release/v0.4.1' into experimental
Restoring version and docs for experimental branch