Climate Mitsubishi (#725)

* add climate

* Mitsubishi updates

* refactor mitsubishi to use climate_ir

* lint

esphome/components/mitsubishi/climate.py

@@ -0,0 +1,18 @@
+import esphome.codegen as cg
+import esphome.config_validation as cv
+from esphome.components import climate_ir
+from esphome.const import CONF_ID
+
+AUTO_LOAD = ['climate_ir']
+
+mitsubishi_ns = cg.esphome_ns.namespace('mitsubishi')
+MitsubishiClimate = mitsubishi_ns.class_('MitsubishiClimate', climate_ir.ClimateIR)
+
+CONFIG_SCHEMA = climate_ir.CLIMATE_IR_SCHEMA.extend({
+    cv.GenerateID(): cv.declare_id(MitsubishiClimate),
+})
+
+
+def to_code(config):
+    var = cg.new_Pvariable(config[CONF_ID])
+    yield climate_ir.register_climate_ir(var, config)