Fixes java8 default methods in C++ target + add missing java.util.Map default methods + output jtransc-rt reports at travis

[soywiz]

No description provided.

[codecov]

Codecov Report

Merging #258 into master will decrease coverage by 0.14%.
The diff coverage is 75%.

@@             Coverage Diff              @@
##             master     #258      +/-   ##
============================================
- Coverage     17.89%   17.74%   -0.15%     
  Complexity      388      388              
============================================
  Files           312      313       +1     
  Lines         20749    20795      +46     
  Branches       4495     4515      +20     
============================================
- Hits           3713     3691      -22     
- Misses        16360    16410      +50     
- Partials        676      694      +18

Impacted Files	Coverage Δ	Complexity Δ
jtransc-core/src/com/jtransc/ast/ast.kt	3.16% <0%> (-0.03%)	0 <0> (ø)
...sc-gen-haxe/src/com/jtransc/gen/haxe/HaxeTarget.kt	79.37% <100%> (-1.05%)	11 <0> (ø)
...ransc-gen-cpp/src/com/jtransc/gen/cpp/CppTarget.kt	81.02% <100%> (-1.02%)	4 <0> (ø)
jtransc-gen-js/src/com/jtransc/gen/js/JsTarget.kt	87.76% <100%> (+0.4%)	4 <0> (ø)	⬇️
jtransc-utils/src/com/jtransc/io/ByteArrayExt.kt	66.66% <0%> (-16.67%)	0% <0%> (ø)
...src/com/jtransc/onetimescripts/generateCharsets.kt	50% <0%> (-7.15%)	0% <0%> (ø)
jtransc-core/src/com/jtransc/graph/Digraph.kt	37.68% <0%> (-4.35%)	0% <0%> (ø)
jtransc-core/src/com/jtransc/graph/acyclic.kt	75% <0%> (-3.13%)	0% <0%> (ø)
...ansc-core/src/com/jtransc/graph/StrongComponent.kt	86.11% <0%> (-2.78%)	3% <0%> (ø)
jtransc-utils/src/com/jtransc/text/escape.kt	12.24% <0%> (-2.05%)	0% <0%> (ø)
... and 17 more

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[NickAcPT]

Has there been any progress on this PR? I'm trying to convert a project that uses the Map default methods and lambdas to C# but it's currently not possible because they use these kinds of methods