TRUNK-6066 Rename host.url global property (#4121)
* TRUNK-6066 Rename host.url global property
The host.url global property is inconsistent with usage in password reset API. This renames host.url to security.passwordResetUrl .
* TRUNK-6066 Rename and deprecate host.url global property
The host.url global property is inconsistent with usage in password reset API. This copy over existing value from host.url to security.passwordResetUrl. Then host.url get deprecated.
The host.url global property is inconsistent with usage in password reset API. This renames host.url to security.passwordResetUrl. Then deprecate host.url.
* TRUNK-6066 Adding a logic to assign a value to OpenmrsConstants.GP_PASSWORD_RESET_URL
For backwards compatibility, Adding a logic to assign the value of OpenmrsConstants.GP_HOST_URL to OpenmrsConstants.GP_PASSWORD_RESET_URL when there is value to OpenmrsConstants.GP_HOST_URL and OpenmrsConstants.GP_PASSWORD_RESET_URL is empty.
