supported on (some?) macs

- proper handling of (?x) inline flags
- adds \Q...\E literals
- corrects (.*) issue
- adds DOTALL option
- does not allow access to group source start/end
  but otherwise does work properly with groups.

Hanson1

- JSHttpClient renamed SimpleHttpClient
- Java or JavaScript
- no org.apache.http dependence
- adds addFormField with contentType and file name
- adds removeFormField
- combines htParams and formData into one list

Conclusion is that these are not HTML calls; we should use %20.

j2sApplet fix allows file:/ for code and document paths
j2sClazz fix for Array.newInstance(Integer.TYPE, 1, 2, 3);

- streamlines Window, JInternalPane, JFrame, Frame, Container class
construction.

- fixes MenuBar preliminary incorrect preferredSize
- refines J2sMenu separator to thinner line
- removes ugly Chrome highlight from panels.
- catches JSMouse jqEvent c == null
- removes spellcheck from TextField

- JTable minor performance improvements
- JSSliderUI fix for labels only
- JSPopupMenuUI for no invoker
- needless XXX.super.yyy() removed (functional, just indicating
unnecessarily large nested anonymous class methods)
- JSFrameUI comment out
- JLabel video icon may not have ui.domNode yet
- JSUtil check for File vs Path in caching

- breaks 3/2015 Google Closure Compiler
- GCC 20200614 is not adequate, adding unnecessary operations for for()
nd requiring substantially more space.

- BufferedImage copy;
- closure_compiler to orig.
- JSComponent/UI

java.util.concurrent.CompletableFuture and Unsafe field fix