Merge pull request #449 from ebraminio/master

More accurate SVG logo and rebulid 256&512px on it
restore old query as it uses indexes
set landing page back to all entries for now
refactored the way entries and statuses are fetched
only filter by date is the set is full
fetch the entry instead of creating an empty one
use faster query for 'all unread'
Merge pull request #452 from Athou/refactor

Refactor
add generated properties to display current version number
hsqldb 2.3.0 finally released
null safe comparators
Punctuation

A space must be after .?! and not before it