(API Change) graphics: Improve API consistency

Renamed:                        To:
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shader_numparams                shader_num_params
shader_getparambyidx            shader_get_param_by_idx
shader_getparambyname           shader_get_param_by_name
shader_getviewprojmatrix        shader_get_viewproj_matrix
shader_getworldmatrix           shader_get_world_matrix
shader_getparaminfo             shader_get_param_info
shader_setbool                  shader_set_bool
shader_setfloat                 shader_set_float
shader_setint                   shader_set_int
shader_setmatrix3               shader_set_matrix3
shader_setmatrix4               shader_set_matrix4
shader_setvec2                  shader_set_vec2
shader_setvec3                  shader_set_vec3
shader_setvec4                  shader_set_vec4
shader_settexture               shader_set_texture
shader_setval                   shader_set_val
shader_setdefault               shader_set_default
effect_gettechnique             effect_get_technique
technique_beginpassbyname       technique_begin_pass_by_name
technique_beginpass             technique_begin_pass
technique_endpass               technique_end_pass
effect_numparams                effect_num_params
effect_getparambyidx            effect_get_param_by_idx
effect_getparambyname           effect_get_param_by_name
effect_updateparams             effect_update_params
effect_getviewprojmatrix        effect_get_viewproj_matrix
effect_getworldmatrix           effect_get_world_matrix
effect_getparaminfo             effect_get_param_info
effect_setbool                  effect_set_bool
effect_setfloat                 effect_set_float
effect_setint                   effect_set_int
effect_setmatrix4               effect_set_matrix4
effect_setvec2                  effect_set_vec2
effect_setvec3                  effect_set_vec3
effect_setvec4                  effect_set_vec4
effect_settexture               effect_set_texture
effect_setval                   effect_set_val
effect_setdefault               effect_set_default
GS_BUILDMIPMAPS                 GS_BUILD_MIP_MAPS
GS_RENDERTARGET                 GS_RENDER_TARGET
gs_device_name                  gs_get_device_name
gs_device_type                  gs_get_device_type
gs_entercontext                 gs_enter_context
gs_leavecontext                 gs_leave_context
gs_getcontext                   gs_get_context
gs_renderstart                  gs_render_start
gs_renderstop                   gs_render_stop
gs_rendersave                   gs_render_save
gs_getinput                     gs_get_input
gs_geteffect                    gs_get_effect
gs_resetviewport                gs_reset_viewport
gs_set2dmode                    gs_set_2d_mode
gs_set3dmode                    gs_set_3d_mode
gs_getsize                      gs_get_size
gs_getwidth                     gs_get_width
gs_getheight                    gs_get_height
gs_gettexturetype               gs_get_texture_type
gs_load_defaultsamplerstate     gs_load_default_samplerstate
gs_getvertexshader              gs_get_vertexshader
gs_getpixelshader               gs_get_pixelshader
gs_getrendertarget              gs_get_render_target
gs_getzstenciltarget            gs_get_zstencil_target
gs_setrendertarget              gs_set_render_target
gs_setcuberendertarget          gs_set_cube_render_target
gs_beginscene                   gs_begin_scene
gs_endscene                     gs_end_scene
gs_setcullmode                  gs_set_cull_mode
gs_getcullmode                  gs_get_cull_mode
gs_enable_depthtest             gs_enable_depth_test
gs_enable_stenciltest           gs_enable_stencil_test
gs_enable_stencilwrite          gs_enable_stencil_write
gs_enable_color                 gs_enable_color
gs_blendfunction                gs_blend_function
gs_depthfunction                gs_depth_function
gs_stencilfunction              gs_stencil_function
gs_stencilop                    gs_stencil_op
gs_setviewport                  gs_set_viewport
gs_getviewport                  gs_get_viewport
gs_setscissorrect               gs_set_scissor_rect
texture_setimage                texture_set_image
cubetexture_setimage            cubetexture_set_image
texture_getwidth                texture_get_width
texture_getheight               texture_get_height
texture_getcolorformat          texture_get_color_format
texture_isrect                  texture_is_rect
texture_getobj                  texture_get_obj
texture_getsize                 texture_get_size
cubetexture_getcolorformat      cubetexture_get_color_format
texture_getwidth                texture_get_width
texture_getheight               texture_get_height
texture_getdepth                texture_get_depth
volumetexture_getcolorformat    volumetexture_get_color_format
stagesurface_getwidth           stagesurface_get_width
stagesurface_getheight          stagesurface_get_height
stagesurface_getcolorformat     stagesurface_get_color_format
vertexbuffer_getdata            vertexbuffer_get_data
indexbuffer_getdata             indexbuffer_get_data
indexbuffer_numindices          indexbuffer_get_num_indices
indexbuffer_gettype             indexbuffer_get_type