Fix the RPM build after da6ee6ec.

rpmbuild apparently chokes with comments in the same line as BuildRequires:
  tizen-extensions-crosswalk:
    nothing provides #
    nothing provides Evas.h
    nothing provides is
    nothing provides required
    nothing provides by
    nothing provides capi-web-favorites.
Merge pull request #231 from rakuco/unbreak-spec-file

Fix the RPM build after da6ee6ec.
[SystemInfo] Fix the Desktop build.

Fix compilation errors in system_info.
Merge pull request #232 from nagineni/desktop_build

[SystemInfo] Fix the Desktop build.
[Notification] Add picojson_helpers.cc

Split picojson_helpers.h into .cc
[Notification] Add GetStringFromJSONValue
[Notification] Add comparison with old image

This will avoid setting the same image
[Notification] Fix progress_value type

progressValue is unsigned long
[Notification] Add support for led and add GetULongFromJSONValue
[Notification] Add support for sound
[Notification] Add support for vibration