Value of WebAPIException should be number

For code like:
tizen.WebAPIException(tizen.WebAPIException.TYPE_MISMATCH_ERR)

the tizen.WebAPIException.TYPE_MISMATCH_ERR should be number, so that
the WebAPIException can be correctly constructed.
Merge pull request #124 from deqing/fix-tizen-exception

Value of WebAPIException should be number
[SystemInfo] Add apn support in cellular
[SystemInfo] Fixed type mismatch error in cellular
[SystemInfo] Capitalize abbreviation in function name
Merge pull request #118 from qjia7/mymaster

[SystemInfo] Implement the missed property in cellular
Fix time examples
Use correct validation on time examples
Fix error codes on tizen test examples

Error codes are following tizen_api.js and tizen.h
Fix notification examples

intentional exception now is using 'shouldThrow'
Merge pull request #127 from ricardotk/wip

Fix some examples
[SystemInfo] Use timeout_cb_id_ to identify listener on desktop
[SystemInfo][LOCALE] Use vconf on Tizen Mobile