KeePass 1.18

# New Features:
* Password quality estimation algorithm: added check for about 1500 most common passwords (these are rated down to 1/8th of their statistical rating; Bloom filter-based implementation).
* {GOOGLECHROME} placeholder: updated detection code to also support the latest versions of Chrome.
* KeePass now enables data execution prevention (DEP).
* Improved lock overlay icon (higher resolution).

# Improvements:
* Improved character classification in password quality estimation algorithm.
* Improved group and entries deletion confirmation dialogs (only Windows Vista and higher).
* Items in the update checking, plugin and icon picker dialogs aren't underlined anymore when hovering over them.
* The default expiry interval for new entries is now limited to a maximum of 8 years.
* Renamed character repetition option in the password generator for improved clarity.
* Added code to prevent loading libraries from the current working directory (to avoid binary planting attacks).
* Installer: various minor improvements.
* Various code optimizations.
* Minor other improvements.