* core functionality CAMERA_FREE

* fix example

* add remaining camera modes

* add view bobbing

* view bobbing

* catch curser in SetCameraMode

* adjust examples

* fix compilation on linux

* fix example text_draw_3d

* actually fix text_draw_3d

* Updated camera API

* Improve Vector3RotateByAxisAngle() function

* remove camera.mode dependency from low-level functions

* remove camera.mode from struct

* fixes after rebase

* adjust examples for new UpdateCamera function

* adjust example models_loading_m3d

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Co-authored-by: Ray <raysan5@gmail.com>

Simplified the example

Some enums values have been renamed to be more consistent and also provide a more detailed description:
 - ShaderLocationIndex:    LOC_VERTEX_POSITION -> SHADER_SHADER_LOC_VERTEX_POSITION
 - ShaderUniformDataType:  UNIFORM_VEC2 -> SHADER_UNIFORM_VEC2
 - MaterialMapType: MAP_ALBEDO -> MATERIAL_MAP_ALBEDO
 - PixelFormat: UNCOMPRESSED_GRAYSCALE -> PIXELFORMAT_UNCOMPRESSED_GRAYSCALE

This function was renamed for consistency in raylib 3.0, just unified all examples to use TextFormat() instead of FormatText()