fix some bugs

ingree -> ingres
stats information can display on webui

need to do:
fix flow management 's modification and deletion bugs (fields not total
match)
recover the flow table when switch connection fails unexpectedly
fix some bugs

Fix:
1 . ingree -> ingres

2. .Stats information can display on webui

Need to do:
1 . Fix flow management 's modification and deletion bugs (fields not
total match)
2 . Recover the flow table when switch connection fails unexpectedly
Merge pull request #34 from starbops/dev

Bug fix. Enable hardTimeout & idleTimeout field in static flow mgmt
fix idletimeout hardtimeout
Merge branch 'dev', remote-tracking branch 'upstream/dev' into dev
Fix controlleradapter config bug
Merge pull request #35 from hwchiu/core-config-fix

Load core config corretly
Merge pull request #33 from hsiehch/dev

Stat information can be displayed using POX adapter
Merge pull request #37 from dlinknctu/dev

Milestone 2 release
Merge branch 'dev', remote-tracking branch 'upstream/dev' into dev
Fix the controlleradapter registerIPC bug.
Merge pull request #39 from hwchiu/core-bug

Core bug(controlleradapter missing registerIPC)