CMake updates, Win32 resources and .gitattributes added

CMake: Improve RPATH handling for both TARGET and non-TARGET builds
CMake: Updating configure_file's to handle ragephoto_ instead of PROJECT_
variables
Win32 resources: Add basic library description with CMake's configure_file

.gitattributes

@@ -0,0 +1,15 @@
+# Auto detect text files and perform LF normalization
+* text=auto eol=lf
+
+# Development files
+CMakeLists.txt text eol=lf
+*.cmake text eol=lf
+*.cpp text eol=lf
+*.h text eol=lf
+*.h.in text eol=lf
+
+# Linux development file
+*.pc.in text eol=lf
+
+# Windows development files
+*.rc.in text eol=crlf