configure.
*   `tf.divide` now honors the name field.
*   Make metrics weight broadcasting more strict.
*   Add new queue-like `StagingArea` and new ops: `stage` and `unstage`.
*   Enable inplace update ops for strings on CPU. Speed up string concat.

## Thanks to our Contributors

This release contains contributions from many people at Google, as well as:

@include font-size($small-font-size);\n  font-weight: $font-weight-normal;\n}\n\nmark,\n.mark {\n  padding: $mark-padding;\n  background-color: $mark-bg;\n}\n\n\n//\n// Lists\n//\n\n.list-unstyled {\n  @include list-unstyled();\n}\n\n// Inline turns list items into inline-block\n.list-inline {\n  @include list-unstyled();\n}\n.list-inline-item {\n  display: inline-block;\n\n  &:not(:last-child) {\n    margin-right: $list-inline-padding;\n  }\n}\n\n\n//\n// Misc\n//\n\n// Builds on `abbr`\n.initialism...

@include font-size($small-font-size);\n  font-weight: $font-weight-normal;\n}\n\nmark,\n.mark {\n  padding: $mark-padding;\n  background-color: $mark-bg;\n}\n\n\n//\n// Lists\n//\n\n.list-unstyled {\n  @include list-unstyled();\n}\n\n// Inline turns list items into inline-block\n.list-inline {\n  @include list-unstyled();\n}\n.list-inline-item {\n  display: inline-block;\n\n  &:not(:last-child) {\n    margin-right: $list-inline-padding;\n  }\n}\n\n\n//\n// Misc\n//\n\n// Builds on `abbr`\n.initialism...