Leona/doc v0.26.0 rc.7 (#3762)

* Update changelog

* Title casing requested for documentation landpage

* Note new minimum version of Clang is 6

doc/sphinx/source/buildlb.rst

@@ -41,7 +41,7 @@ Prerequisites
    :escape: ~
 
    CentOS 7.4 64-bit, GCC 4.8, CMake 3.9.0, supported, ``wget zlib-devel ncurses-libs ncurses-devel patch diffutils gcc-c++ make git perl-Data-Dumper`` 
-   Ubuntu 16.04 or 18.04 (LTS) 64-bit, Clang 3.9, CMake 3.5.1 + GNU Make, supported, ``build-essential cmake clang-3.9 clang-format-3.9 git curl zlib1g zlib1g-dev libtinfo-dev unzip autoconf automake libtool``
+   Ubuntu 16.04 or 18.04 (LTS) 64-bit, Clang 6, CMake 3.5.1 + GNU Make, supported, ``build-essential cmake clang-3.9 clang-format-3.9 git curl zlib1g zlib1g-dev libtinfo-dev unzip autoconf automake libtool``
    Clear Linux\* OS for Intel® Architecture version 28880, Clang 8.0, CMake 3.14.2, experimental, bundles ``machine-learning-basic c-basic python-basic python-basic-dev dev-utils``
 
 
@@ -262,4 +262,4 @@ To perform unit tests on the install:
 .. _ONNX: http://onnx.ai
 .. _website docs: https://ngraph.nervanasys.com/docs/latest/
 .. _googletest framework: https://github.com/google/googletest.git
-.. _PlaidML: https://github.com/plaidml/plaidml
+.. _PlaidML: https://github.com/plaidml/plaidml
\ No newline at end of file

doc/sphinx/source/index.rst

@@ -13,7 +13,7 @@
 .. ---------------------------------------------------------------------------
 
 
-nGraph Compiler stack Documentation 
+nGraph Compiler Stack Documentation 
 ###################################
 
 

doc/sphinx/source/project/release-notes.rst

@@ -30,19 +30,15 @@ Core updates for |version|
 + Migrate some ``get_argument`` removals
 + Negative indices/axes fixes
 + Better support for MKL-DNN 1.0 (DNNL)
-
++ Additional constant element types
 
 Latest documentation updates
 ----------------------------
 
-+ Note the only support for nGPU is now through PlaidML; nGraph support for nGPU 
-  (via cuDNN) has been deprecated.  
-+ iGPU works only with nGraph version `0.24`.
 + Add new Sphinx-friendly theme (can be built natively for an alternative to ngraph.ai docs). 
 + Update PaddlePaddle documentation to reflect demo directories instead of example directory.
 + Update doc regarding the validation of ``Sum`` op.
 
-
 .. important:: Pre-releases (``-rc-0.*``) have newer features, and are less stable.  
 
 
@@ -58,6 +54,10 @@ Changelog on Previous Releases
 + Allow provenance merging to be disabled
 + Remove some white-listed compiler warnings
 + Provenance, builders, ops that make ops, and fused op expansions
++ Note the only support for nGPU is now through PlaidML; nGraph support for nGPU
+  (via cuDNN) has been deprecated.
++ iGPU works only with nGraph version `0.24`.
+
 
 
 0.25.0