MAINT-2759 FIXED Touch is greyed out when right clicking on child prims in a touchable linkset if the script uses a reset on rez

less than allowed. Changes in all other files relate auxiliary methods for
catching similar bugs in future.

MAINT-3208 FIXED Confusing button state when working with multiple textures and the default texture is the last selected.

MAINT-2131 FIXED "Copy" menu item is enabled for folders in "My inventory" panel inside "Places>My Landmarks" tab

MAINT-4582 FIXED Certain URLs which end contain secondlife.com or lindenlab.com incorrectly open the Place Profile floater

MAINT-4096 FIXED Object's new land impact is not shown in build tool until new face or prim in linkset is selected, after adding or removing only material to/from child prim

MAINT-2477 FIXED Environment settings won't persist across logins by default, but it may be changed by using EnvironmentPersistAcrossLogin setting

MAINT-3202 FIXED Cancel of selected colour in "Colour picker" floater does not return colour icon to previous condition