Maintenance Release

• allow setting readonly and fullwrite modes in TOML config
• add error check for analyze-block command
• add scale option for analyze-block cmd
• add json mutation logging for other labelmap ops
• fix jpeg uncompression on ngprecomputed
• add unsharded ng precomputed support; allow auto instances for ngprecomputed
• fix rounding error on ng precomputed indexing
• add POST /api/repo/{uuid}/info
• further error checking on ngprecomputed block encodes
• make ngprecomputed more resilient to various JPEG encoding styles
• revert imageblk GetVoxels before gridstore support
• fixes number of issues for ngprecomputed driver including clipped chunks
• try another approach to wildcard origin handler
• fix bug introduced patching issue #347
• fix initialization of ngprecomputed extents
• handle metadata and improve doc for ngprecomputed uint32blk
• fix inconsistent CORS handling based on config