Add HXML support (#4092)

* Add HXML support

* Fix test failures

samples/HXML/checkstyle.hxml

@@ -0,0 +1,10 @@
+buildGlobal.hxml
+-lib mcover:2.1.1
+-D unittest
+-x TestMain
+--macro mcover.MCover.coverage(['checkstyle'], ['src'], ['checkstyle.reporter', 'checkstyle.Main'])
+
+--next
+-cmd neko run -s src -s test -p resources/static-analysis.txt
+-cmd neko run --default-config resources/default-config.json
+-cmd neko run -c resources/default-config.json

samples/HXML/vshaxe.hxml

@@ -0,0 +1,31 @@
+# This file is generated with vshaxe-build - DO NOT EDIT MANUALLY!
+-cp vscode-extern/src
+-cp src-api
+-cp src
+-cp server/src
+-cp server/protocol/src
+-cp server/formatter/src
+-cp server/test
+-cp server/formatter/test
+-cp syntaxes/src
+-D analyzer-optimize
+-D js_unflatten
+-D hxnodejs-no-version-warning
+-D JSTACK_MAIN=vshaxe.Main.main
+-D JSTACK_ASYNC_ENTRY
+-D JSTACK_FORMAT=vscode
+-lib hxnodejs
+-lib jstack
+-lib haxe-hxparser
+-lib compiletime
+-lib mockatoo
+-lib mconsole
+-lib hx3compat
+-lib hxargs
+-lib json2object
+-lib yaml
+-lib plist
+-debug
+-js bin/build.js
+--no-inline
+-main Build