Rename "Primer.md" to "primer.md" and adjust links. Part of the documentaion rationalzation

README.md

@@ -16,7 +16,7 @@ also an IRC channel on [OFTC](https://webchat.oftc.net/) (irc.oftc.net) #gtest a
 join us!
 
 Getting started information for **Google Test** is available in the
-[Google Test Primer](googletest/docs/Primer.md) documentation.
+[Google Test Primer](googletest/docs/primer.md) documentation.
 
 **Google Mock** is an extension to Google Test for writing and using C++ mock
 classes.  See the separate [Google Mock documentation](googlemock/README.md).

googlemock/README.md

@@ -53,7 +53,7 @@ the Apache License, which is different from Google Mock's license.
 If you are new to the project, we suggest that you read the user
 documentation in the following order:
 
-  * Learn the [basics](../../master/googletest/docs/Primer.md) of
+  * Learn the [basics](../../master/googletest/docs/primer.md) of
     Google Test, if you choose to use Google Mock with it (recommended).
   * Read [Google Mock for Dummies](../../master/googlemock/docs/ForDummies.md).
   * Read the instructions below on how to build Google Mock.

googlemock/docs/CheatSheet.md

@@ -349,7 +349,7 @@ You can make a matcher from one or more other matchers:
 
 ## Matchers as Test Assertions ##
 
-|`ASSERT_THAT(expression, m)`|Generates a [fatal failure](../../googletest/docs/Primer.md#assertions) if the value of `expression` doesn't match matcher `m`.|
+|`ASSERT_THAT(expression, m)`|Generates a [fatal failure](../../googletest/docs/primer.md#assertions) if the value of `expression` doesn't match matcher `m`.|
 |:---------------------------|:----------------------------------------------------------------------------------------------------------------------------------------------|
 |`EXPECT_THAT(expression, m)`|Generates a non-fatal failure if the value of `expression` doesn't match matcher `m`.                                                          |
 

googletest/docs/AdvancedGuide.md

@@ -1,6 +1,6 @@
 
 
-Now that you have read [Primer](Primer.md) and learned how to write tests
+Now that you have read [Primer](primer.md) and learned how to write tests
 using Google Test, it's time to learn some new tricks. This document
 will show you more assertions as well as how to construct complex
 failure messages, propagate fatal failures, reuse and speed up your

googletest/docs/Documentation.md

@@ -4,7 +4,7 @@ current git version)**
 documentation for that specific version instead (e.g. by checking out
 the respective git branch/tag).**
 
-  * [Primer](Primer.md) -- start here if you are new to Google Test.
+  * [Primer](primer.md) -- start here if you are new to Google Test.
   * [Samples](Samples.md) -- learn from examples.
   * [AdvancedGuide](AdvancedGuide.md) -- learn more about Google Test.
   * [XcodeGuide](XcodeGuide.md) -- how to use Google Test in Xcode on Mac.

googletest/docs/FAQ.md

@@ -1,7 +1,7 @@
 
 
 If you cannot find the answer to your question here, and you have read
-[Primer](Primer.md) and [AdvancedGuide](AdvancedGuide.md), send it to
+[Primer](primer.md) and [AdvancedGuide](AdvancedGuide.md), send it to
 googletestframework@googlegroups.com.
 
 ## Why should I use Google Test instead of my favorite C++ testing framework? ##
@@ -956,7 +956,7 @@ using gtest-md.vcproj instead of gtest.vcproj.
 
 ## I put my tests in a library and Google Test doesn't run them. What's happening? ##
 Have you read a
-[warning](Primer.md#important-note-for-visual-c-users) on
+[warning](primer.md#important-note-for-visual-c-users) on
 the Google Test Primer page?
 
 ## I want to use Google Test with Visual Studio but don't know where to start. ##