fixed MySQL's issues with default empty string for text columns and SQLites's issues with non-null columns without default value
updated dependencies
fix issue with non-null text columns and default values in ****ing MySQL
fixed issues with not occurring default values
set to empty string if no value is given (MySQL sucks for not-null text columns without default value)
fixed another issue with default value
Merge remote-tracking branch 'upstream/development' into development

Conflicts:
	Gemfile.lock
	db/schema.rb