Use package export to configure package web root

[jihoonl]

The current implementation forces to use www as a package web root. If we utilise package export, each package can have different web page root. It would give users freedom to choose web root directory.

For example, roswww uses www directory as a web page root whereas my_webapp_package uses apps directory as a page root.

# package.xml in roswww
<export>
  <roswww_root>www</roswww_root>
</export>

# package.xml in my_webapp_package
<export>
  <roswww_root>apps</roswww_root>
</export>

Other usecases(rocon_app) reference,

• package export tag crawler
• where package export tag crawler is called
• example package.xml in rocon_apps package

[130s]

Addressed in #20? @jihoonl

[jihoonl]

Nope. It is new enhancement.

[130s]

Got it. Anyway I'm on new patch release 0.1.4 #22