Merge pull request #468 from pyalot/EXT_shader_texture_lod

added EXT_shader_texture_lod
moved ANGLE_timer_query directory
recast ANGLE_timer_query to EXT_disjoint_timer_query and harmonized with the ES extension.
moved EXT_blend_minmax out of proposal
moved EXT_blend_minmax to draft
Merge pull request #469 from pyalot/EXT_shader_texture_lod

fixed missing zero on the month in the modification date
Merge pull request #470 from pyalot/EXT_disjoint_timer_query

ANGLE_timer_query recast to ES EXT_disjoint_timer_query
Update extension.xml

Update link to EXT_color_buffer_half_float.
Merge pull request #473 from jdashg/color-buffer-link

Update extension.xml
Specify contributor for compressed_texture_es3
Merge pull request #474 from jdashg/contrib-es3

Specify contributor for compressed_texture_es3
Merge pull request #471 from pyalot/EXT_blend_minmax

Moving EXT_blend_minmax to draft
moved EXT_shader_texture_lod out of proposal
moved EXT_shader_texture_lod to draft