PHP-145 - Add API doc generator system

* Fixed up issues with external API e.g. interfaces that should be
 abstract classes etc.
* Added and corrected yaml files

Author: mpenick

ext/config.m4

@@ -104,7 +104,7 @@ if test "$PHP_CASSANDRA" != "no"; then
     src/Exception/OverloadedException.c \
     src/Exception/ProtocolException.c \
     src/Exception/RangeException.c \
-    src/Exception/ReadTimeout.c \
+    src/Exception/ReadTimeoutException.c \
     src/Exception/RuntimeException.c \
     src/Exception/ServerException.c \
     src/Exception/TimeoutException.c \

ext/config.w32

@@ -175,7 +175,7 @@ if (PHP_CASSANDRA != "no") {
               "OverloadedException.c " +
               "ProtocolException.c " +
               "RangeException.c " +
-              "ReadTimeout.c " +
+              "ReadTimeoutException.c " +
               "RuntimeException.c " +
               "ServerException.c " +
               "TimeoutException.c " +