Vector of unions for TS/JS and PHP (#4404)
* Eclipse ignore
* TypeScript support
* Prefixing enums
* Test results
* Merged JS and TS generators
* Fixed AppVeyor build problems
* Fixed more AppVeyor build problems
* Fixed more AppVeyor build problems
* Changed TS flag to options struct
* Storing options by value
* Removed unneeded const
* Re-export support for unions
* Uint support
* Casting bools to numbers for mutation
* TS shell tests
* Reverted generates js test file to original version
* Backing up js tests and properly generating test data
* Not importing flatbuffers for TS test generation
* Not overwriting generated js for tests
* AppVeyor test fixes
* Generating the most strict TS code possible
* Not returning null when creating vectors
* Not returning null from struct contructors
* Vector of unions for ts/js
* Sanity check for languages
* Indentation fix + output test files
* Vectors of unions for php
* Fixes to union vector handling + tests
20 files changed
