adjust order of flow fields and add dltype field.
fix the order of flow fields,update some files for dlType
Merge branch 'dev' into fixfield
Merge pull request #41 from win911/fixfield

add dl_type field
fix index.html
Merge remote-tracking branch 'upstream/dev' into dumbUI

Conflicts:
	webui/js/flowmod.js
some tiny changes about UI

- remove the presence of "wildcards"
- adjust the order of fields in form
- when modifying or deleting a flow, the color which created by flow hilighting
will be removed
- every fields have their own default value, except "actions"