update
Merge pull request #1 from wangxiangyu/Featcher/add_monitor_json

Featcher/add monitor json
add api:instance_num_blance_check_ng00_ng01
add api: /html/check/instance_num_blance_check_ng00_ng01
support yaml input_type
support read monitor config file.
code style format
Merge pull request #3 from wangxiangyu/Featcher/add_monitor_json

support yaml input_type
add api: get 502 info from router log
Merge branch 'master' of ssh://github.com/wangxiangyu/jpaas_monitor_api
update xplat_get_instances_by_app api: specify result range
bug fix: return null when query instancesb but  out of range
add html page for router 502 log
db_change: add_application_id_to_instance_status
add api: query realtime router 502 log
params check
update router 502 html: set time-range 10min 30min 1hour ...
bug fix: fromat function conflicts with ruby native format
update router 502 html: user can specify time range
bug fix in resource usage monitor: change separator from = to :