v2.152 release notes

Admin console: update the per-entry booking status modal dialogue
Admin console: streamline publish status on Entry Dashboard pages
Bookster: seasonal minimum pricing
- set the lowest price willing to accept for a booking
- set a different minimum for each season
Guest area: complete redesign
- slick new style
- layout updated to ensure important information is highlighted
- improve performance when printed

Admin console: improve access for adding Client notes
Admin console: fix a problem where dates might be displayed incorrectly in some contexts
Admin console: fix an issue where attempting to view a bookings page would result in a white screen
Admin console: fix a problem where the score of a Subscription would sometimes be displayed incorrectly
Booking: rewrite of consolidation process to make testing simpler
Booking: fix an issue with the gradients on the selected dates in IE9
Booking: increase performance when clearing out price caches
Bookster: improve display of additional booking sources
Bookster: make progress towards a responsive booking process
Bookster: improve help within rates editor
FeeFo: improve monitoring of integration with FeeFo reviews platform
Websites: improve multi-thread availability searching
Websites: improve the way that mailing lists are shown to users on sign up