Radeox table compatibility macro can provoke an unhandled exception

causes on the 500 error page. We should catch the exception at the very least:

java.lang.UnsupportedOperationException: Radeox compatibility layer does not have context properties
at com.atlassian.renderer.v2.macro.RadeoxCompatibilityMacro$BogusRadeoxContext.get(RadeoxCompatibilityMacro.java:45)
at org.radeox.macro.BaseLocaleMacro.setInitialContext(BaseLocaleMacro.java:55)
at com.atlassian.renderer.v2.macro.RadeoxCompatibilityMacro.(RadeoxCompatibilityMacro.java:81)
at com.atlassian.renderer.v2.macro.DefaultMacroManager.initMacro(DefaultMacroManager.java:59)
at com.atlassian.renderer.v2.macro.DefaultMacroManager.getEnabledMacro(DefaultMacroManager.java:45)
at com.atlassian.renderer.v2.components.MacroRendererComponent.getMacroByName(MacroRendererComponent.java:172)
at com.atlassian.renderer.v2.components.MacroRendererComponent.makeMacro(MacroRendererComponent.java:129)
at com.atlassian.renderer.v2.components.MacroRendererComponent.makeMacro(MacroRendererComponent.java:124)
at com.atlassian.renderer.v2.components.MacroRendererComponent.handlePotentialMacro(MacroRendererComponent.java:98)
at com.atlassian.renderer.v2.components.MacroRendererComponent.render(MacroRendererComponent.java:74)
at com.atlassian.renderer.v2.V2Renderer.render(V2Renderer.java:38)
at com.atlassian.renderer.v2.V2RendererFacade.convertWikiToXHtml(V2RendererFacade.java:53)
at sun.reflect.GeneratedMethodAccessor214.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at org.springframework.aop.framework.AopProxyUtils.invokeJoinpointUsingReflection(AopProxyUtils.java:61)