RFR: JDK-8186924: Fix accessibility and other HTML issues in java.corba module

[Jonathan Gibbons]

Please review these mostly simple changes to address some accessibility 
and other minor HTML issues in the java.corba module.

JBS: https://bugs.openjdk.java.net/browse/JDK-8186924
Webrev: http://cr.openjdk.java.net/~jjg/8186924/webrev.00/
API: http://cr.openjdk.java.net/~jjg/8186924/api.00/java.corba-summary.html
-- Jon


Notes on changes:

src/java.corba/share/classes/org/omg/CORBA/ORB.java
    Update table for accessibility

src/java.corba/share/classes/org/omg/CORBA/TCKind.java
    Fix broken HTML, by enclosing '.' in {@code} instead of <code>.

src/java.corba/share/classes/org/omg/CORBA/doc-files/compliance.html
    Fix HTML5 errors, and set default language

src/java.corba/share/classes/org/omg/CORBA/doc-files/generatedfiles.html
    Fix HTML5 errors, and set default language

src/java.corba/share/classes/org/omg/PortableInterceptor/Interceptors.idl
    Fix two tables for accessibility, and remove duplicated text which 
was probably
    the result of a bad merge in times long ago. In the API, the 
modified classes
    are CloientRequestInfo and ServerRequestInfo.

-- Jon