Add IF_EXISTS_IN rule enumeration

Signed-off-by: Juha Kallioinen <juha.kallioinen@jollamobile.com>
Simplify function interfaces

Removed unused "node_type_is_ordinary_rule" parameter from functions.

Signed-off-by: Juha Kallioinen <juha.kallioinen@jollamobile.com>
Add handling for IF_EXISTS_IN conditional rule

Signed-off-by: Juha Kallioinen <juha.kallioinen@jollamobile.com>
Add an example of a conditionally accelerated rule

Signed-off-by: Juha Kallioinen <juha.kallioinen@jollamobile.com>
Fix IF_EXISTS_IN condition handling

Signed-off-by: Juha Kallioinen <juha.kallioinen@jollamobile.com>
Added missing handling for IF_EXISTS_IN rule

Signed-off-by: Juha Kallioinen <juha.kallioinen@jollamobile.com>
Improve ruletree printout

Signed-off-by: Juha Kallioinen <juha.kallioinen@jollamobile.com>
Invert path found logic

Signed-off-by: Juha Kallioinen <juha.kallioinen@jollamobile.com>