Rename Samples.md to samples.md and adjust the links

googletest/docs/Documentation.md

@@ -5,7 +5,7 @@ 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.
-  * [Samples](Samples.md) -- learn from examples.
+  * [Samples](samples.md) -- learn from examples.
   * [AdvancedGuide](advanced.md) -- learn more about Google Test.
   * [XcodeGuide](XcodeGuide.md) -- how to use Google Test in Xcode on Mac.
   * [Frequently-Asked Questions](faq.md) -- check here before asking a question on the mailing list.

googletest/docs/primer.md

@@ -522,7 +522,7 @@ There is one more pitfall, though. If you use Google Test as a static library (t
 # Where to Go from Here #
 
 Congratulations! You've learned the Google Test basics. You can start writing
-and running Google Test tests, read some [samples](Samples.md), or continue with
+and running Google Test tests, read some [samples](samples.md), or continue with
 [AdvancedGuide](advanced.md), which describes many more useful Google Test features.
 
 # Known Limitations #