Fix api inconsistency for promises (#2113)
Fix api inconsistency for promises (#2113)

The change makes the jerry_value_is_promise api method
available in all cases, just like other promise api methods

JerryScript-DCO-1.0-Signed-off-by: Tamas Keri tkeri@inf.u-szeged.hu
jerryscript-project/jerryscript,robertsipka/jerryscript,yichoi/jerryscript,grgustaf/jerryscript,bzsolt/jerryscript,bsdelf/jerryscript,robertsipka/jerryscript,glistening/jerryscript,gabrielschulhof/jerryscript,jerryscript-project/jerryscript,bzsolt/jerryscript,akosthekiss/jerryscript,akosthekiss/jerryscript,zherczeg/jerryscript,LaszloLango/jerryscript,akosthekiss/jerryscript,yichoi/jerryscript,bsdelf/jerryscript,bsdelf/jerryscript,bsdelf/jerryscript,akosthekiss/jerryscript,grgustaf/jerryscript,LaszloLango/jerryscript,yichoi/jerryscript,grgustaf/jerryscript,dbatyai/jerryscript,zherczeg/jerryscript,glistening/jerryscript,grgustaf/jerryscript,dbatyai/jerryscript,bsdelf/jerryscript,gabrielschulhof/jerryscript,jerryscript-project/jerryscript,dbatyai/jerryscript,grgustaf/jerryscript,LaszloLango/jerryscript,LaszloLango/jerryscript,zherczeg/jerryscript,glistening/jerryscript,dbatyai/jerryscript,gabrielschulhof/jerryscript,gabrielschulhof/jerryscript,akosthekiss/jerryscript,grgustaf/jerryscript,bzsolt/jerryscript,robertsipka/jerryscript,glistening/jerryscript,gabrielschulhof/jerryscript,LaszloLango/jerryscript,dbatyai/jerryscript,yichoi/jerryscript,jerryscript-project/jerryscript,robertsipka/jerryscript,robertsipka/jerryscript,robertsipka/jerryscript,glistening/jerryscript,zherczeg/jerryscript,jerryscript-project/jerryscript,zherczeg/jerryscript,bzsolt/jerryscript,glistening/jerryscript,yichoi/jerryscript,bzsolt/jerryscript,bsdelf/jerryscript