SK: update for 1.5.2 (old changes never committed)

git-svn-id: http://nisovin-minecraft-bukkit-plugins.googlecode.com/svn/trunk/ShopKeepers/src@1281 3b5476c5-0415-9417-c352-9b123fd710cf
SK: bug fixes

git-svn-id: http://nisovin-minecraft-bukkit-plugins.googlecode.com/svn/trunk/ShopKeepers/src@1282 3b5476c5-0415-9417-c352-9b123fd710cf
SK: some new API

git-svn-id: http://nisovin-minecraft-bukkit-plugins.googlecode.com/svn/trunk/ShopKeepers/src@1283 3b5476c5-0415-9417-c352-9b123fd710cf
SK: api adjustment

git-svn-id: http://nisovin-minecraft-bukkit-plugins.googlecode.com/svn/trunk/ShopKeepers/src@1284 3b5476c5-0415-9417-c352-9b123fd710cf
SK: renaming a class

git-svn-id: http://nisovin-minecraft-bukkit-plugins.googlecode.com/svn/trunk/ShopKeepers/src@1285 3b5476c5-0415-9417-c352-9b123fd710cf
SK: added always-show-nameplates option

git-svn-id: http://nisovin-minecraft-bukkit-plugins.googlecode.com/svn/trunk/ShopKeepers/src@1295 3b5476c5-0415-9417-c352-9b123fd710cf
SK: bug fix

git-svn-id: http://nisovin-minecraft-bukkit-plugins.googlecode.com/svn/trunk/ShopKeepers/src@1296 3b5476c5-0415-9417-c352-9b123fd710cf
SK: bug fix?

git-svn-id: http://nisovin-minecraft-bukkit-plugins.googlecode.com/svn/trunk/ShopKeepers/src@1297 3b5476c5-0415-9417-c352-9b123fd710cf
SK: updated to new inventory API stuff

git-svn-id: http://nisovin-minecraft-bukkit-plugins.googlecode.com/svn/trunk/ShopKeepers/src@1298 3b5476c5-0415-9417-c352-9b123fd710cf
SK: bug fix

git-svn-id: http://nisovin-minecraft-bukkit-plugins.googlecode.com/svn/trunk/ShopKeepers/src@1299 3b5476c5-0415-9417-c352-9b123fd710cf
SK: update for 1.6

git-svn-id: http://nisovin-minecraft-bukkit-plugins.googlecode.com/svn/trunk/ShopKeepers/src@1304 3b5476c5-0415-9417-c352-9b123fd710cf
SK: update for 1.6

git-svn-id: http://nisovin-minecraft-bukkit-plugins.googlecode.com/svn/trunk/ShopKeepers/src@1305 3b5476c5-0415-9417-c352-9b123fd710cf
SK: update for 1.6

git-svn-id: http://nisovin-minecraft-bukkit-plugins.googlecode.com/svn/trunk/ShopKeepers/src@1306 3b5476c5-0415-9417-c352-9b123fd710cf
SK: 1.6.1 fixes, added prevent-trading-with-own-shop option,
playing with reflection to allow smoother updates

git-svn-id: http://nisovin-minecraft-bukkit-plugins.googlecode.com/svn/trunk/ShopKeepers/src@1307 3b5476c5-0415-9417-c352-9b123fd710cf
SK: bug fix

git-svn-id: http://nisovin-minecraft-bukkit-plugins.googlecode.com/svn/trunk/ShopKeepers/src@1308 3b5476c5-0415-9417-c352-9b123fd710cf
SK: bug fix with shop object types not being enabled but being selectable

git-svn-id: http://nisovin-minecraft-bukkit-plugins.googlecode.com/svn/trunk/ShopKeepers/src@1309 3b5476c5-0415-9417-c352-9b123fd710cf
SK: Added tax-rate and tax-round-up options

git-svn-id: http://nisovin-minecraft-bukkit-plugins.googlecode.com/svn/trunk/ShopKeepers/src@1310 3b5476c5-0415-9417-c352-9b123fd710cf
SK: added prevent-shop-creation-item-regular-usage option

git-svn-id: http://nisovin-minecraft-bukkit-plugins.googlecode.com/svn/trunk/ShopKeepers/src@1311 3b5476c5-0415-9417-c352-9b123fd710cf
SK: minor bug fix

git-svn-id: http://nisovin-minecraft-bukkit-plugins.googlecode.com/svn/trunk/ShopKeepers/src@1312 3b5476c5-0415-9417-c352-9b123fd710cf
SK: refactor quantity adjustment code

git-svn-id: http://nisovin-minecraft-bukkit-plugins.googlecode.com/svn/trunk/ShopKeepers/src@1313 3b5476c5-0415-9417-c352-9b123fd710cf