* Build Conan package on Travis CI (#4590)

- Added multi package support on Linux, running on Travis CI
- Only upload when branch is a tag and named "vX.Y.Z"
- Replace Conan injection by Conan wrapper
- Removed os_build os_arch -- Conan 1.0.1 hotfix
Signed-off-by: Uilian Ries <uilianries@gmail.com>

* Build Conan package on OSX (#4590)

- Added jobs to build Flatbuffers on OSX running on Travis
Signed-off-by: Uilian Ries <uilianries@gmail.com>

* Build Conan package on Windows (#4590)

- Added support necessary to build Flatbuffers on Windows (conan)
- Added Appveyor jobs to build Conan package
- Only build Conan package when release (tag)
Signed-off-by: Uilian Ries <uilianries@gmail.com>

* Reduce Conan CI support to simple scripts (#4590)

- Removed msvc 10 x86_64 workaround
- Updated conan remote address
- Added Bincrafters' package tools
Signed-off-by: Uilian Ries <uilianries@gmail.com>

* Add fPIC option on Conan recipe (#4590)

- Add fPIC as optional. It works on Linux and OSX
- Update recipe metadata: author, homepage, license
- Checking for flatc and flathash on Conan package
Signed-off-by: Uilian Ries <uilianries@gmail.com>

* Build Conan package on CI (#4590)

- Add rule to run conan job only for tags
- Run Conan on Linux, OSX and Windows
- Update package tool to new interface
Signed-off-by: Uilian Ries <uilianries@gmail.com>

* Update Conan username (#4590)

- Use google as default username
Signed-off-by: Uilian Ries <uilianries@gmail.com>

* Update OSX version on CI (#4590)

- Use latest OSX 9.3 version to build Conan package
Signed-off-by: Uilian Ries <uilianries@gmail.com>