Add API links to Configuration and session storage

Signed-off-by: Jiří Janoušek <janousek.jiri@gmail.com>
API links to Initialization and Preferences Forms

Signed-off-by: Jiří Janoušek <janousek.jiri@gmail.com>
API links Web apps with a variable home page URL

Signed-off-by: Jiří Janoušek <janousek.jiri@gmail.com>
Add support for interlinks to nuvolajsdoc

Signed-off-by: Jiří Janoušek <janousek.jiri@gmail.com>