Add static storage classifier to inline functions

Before we were just relying on the compiler inlining them and not
leaving a trace in our public API.  Try to fix.  Hopefully not
breaking anyone's build.
0.9.28
[main] Minor improvement to output
rework handling of requiredFeature to solve problem with rlig in arial.ttf from winxp [mozilla bug 986802]

Reworked by behdad