always include the seconds part in the interval. 0 second intervals will no longer throw a DateInterval exception.
Merge pull request #1 from isaacgrant/0-second-interval-fix

Fix SwatDate exception when generating intervals from 0s.
Remove old path. Also add concentrate to the package config list.
Add the sym link for swat resources.
Merge pull request #2 from charleswaddell/fix-demo
prepare for release of 2.0.3 | package party
Add style hooks for date/time components.

Adds css styles to each flydown in date and time entries. Makes entries
much easier to style.
Make SwatFlydown's warpper inherit CSS classes.

Classes are pulled up from the flydown except for the swat-flydown
class. The swat-flydown-wrapper class is still added.
Merge pull request #3 from gauthierm/swat-date-entry-style-hooks

Add style hooks for date/time components.
Create README.md
Update README.md
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prepare for release of 2.0.4 | package party
Make the scheme of the URI optionally optional
Don't serialize some internal properties.

These properties are all set bu init() which runs at the start of
unserialize. They should not be serialized so that unserilizing old
objects against new class definitions works properly.
 * internal_property_autosave
 * internal_property_accessible
 * date_properties
Formatting.
When unserializing, merge internal properties.

This allows old serialized data to restore into new objects without
removing the null internal properties. This prevents exceptions and
allows other session migration code to run.