Java Code Viewer

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update list
- you can change font size/type for text-viewer.
- changed line number size for text-viewer.
- added advertisment (google addmob)
this require permissions (internet, access_network_state)
- remove camera permission
this permission is added because we support camera information. (you click system info button on upper toolbar, you can see system-information for your phone)
but now we removed it.