Resolves #4038
Related to https://github.com/ruslo/hunter/pull/529

*  Generate type traits for unions to map a type to the corresponding union enum value.

* Fixed break with union enum type traits when type is in a namespace.

* Fixed spacing and variable names in type traits generation to match style guidelines.

*  Fixed spacing in type traits generation to match style guidelines.

* Regenerated test schema header.

serialize fully qualified struct & enum name in schema binary

Added IFlatbufferObject.cs file to project for .net.

Before edition, IFlatbufferObject.cs file wasn't in the project and building the project throwed error.

Remove extra semicolon

Allow access to underlying ByteBuffer in C#

Return error when full string cannot be parsed into int

option to build shared library,defeault off

Isolate the complied Java classes into a target folder.

Switched C# accessors from classes to structs

Use the find -exec instead of find ... | xargs otherwise when there is error log in the output of the build.

Remove commented line. Add a last step that remove the target folder after the build and the tests execution.

It is a common practice to put all the compiled classes into a
dedicated folder in order to:
 - avoid to mix the code and the complied classes
 - to allow a simple way to remove the complied classes

Add log of java version in order to make it explicit to the end user.

lookupByKey corrections

# Conflicts:
#	src/idl_gen_general.cpp

Change-Id: Ice94f09197235cf71b41a22d0767bd7b119284e1

This was causing class loader errors on Java 1.6.

Change-Id: Id1d9e7e369aad639115664c43a867c4d3a82f9f1
Tested: on Linux.

Tested: on Linux.

Change-Id: Iea336f75a3b6e722743563813c3c9ed9db4d02fe

Find by key on C# and Java (2)

Isolate the complied Java classes into a target folder.

It is a common practice to put all the compiled classes into a
dedicated folder in order to:
 - void to mixing the code and the complied classes
 - to allow a simple way to remove the complied classes

Change-Id: Ib5b0ae75617e18094ac31eb5e11d10e5d592cf9b
Tested: on Linux.

Change-Id: Idd49bc61118c29d6d7364d2cd54a6f7932917570

Debianization with CPack

Initial grpc support for other languages