[cs] don't add Runtime.toString call for string expressions
[cs] get rid of most "untyped __cs__" calls, use proper code generation instead
[java] Fixed EOF catching on the output of sys.io.Process
Add -D js-es5.

We can generate smaller and faster JS if we don't care about IE8.

Here's the compatibility table:
http://kangax.github.io/es5-compat-table
Remove haxe.exe whence cleaning

would be cool so that users don't mistakenly use obsolete builds :)
Merge pull request #2672 from delahee/patch-3

Remove haxe.exe whence cleaning
remove trailing slashes on FileSystem.kind
[java/cs] fix String#toString()
map tfield_access in map_expr_type
Merge branch 'development' of https://github.com/HaxeFoundation/haxe into development
[java] naming conflict
do not map FClosure
Merge branch 'development' of https://github.com/HaxeFoundation/haxe into development
revert abstract inline changes (problems with Vector on flash)
[java] unit tests compiling; fixed captured function vars with type parameters
Merge branch 'development' of https://github.com/HaxeFoundation/haxe into development
[cs] minor - take off -D dump
ignore DCE property test on Java and C# too
(Flash) add missing `try` to Reflect.getProperty
detect and error on unreachable catch blocks (closes #2675)