Javadoc html5 fails because of <tt> tags

[snuyanzin]

There are deprecated (and not supported in html5) tags <tt> in tests and as a result javadoc html5 generation fails like below.
<code> tag should be used instead

[ERROR] * Allow quoted file names (including spaces) in <tt>!record</tt>,
[ERROR] ^
[ERROR] C:\projects\sqlline\src\test\java\sqlline\SqlLineArgsTest.java:250: error: tag not supported in the generated HTML version: tt
[ERROR] * <tt>!run</tt> and <tt>!script</tt> commands</a>. */
[ERROR] ^
[ERROR] C:\projects\sqlline\src\test\java\sqlline\SqlLineArgsTest.java:250: error: tag not supported in the generated HTML version: tt
[ERROR] * <tt>!run</tt> and <tt>!script</tt> commands</a>. */
[ERROR] ^
[ERROR] 
[ERROR] Command line was: "C:\Program Files\Java\jdk9\bin\javadoc.exe" @options @packages
[ERROR] 

proof link https://ci.appveyor.com/project/snuyanzin/sqlline/builds/19821720/job/aendg8jt2695f1j1

[julianhyde]

Fixed in f5b5ad7, PR #182. Thanks @snuyanzin!