THRIFT-3764: Ensure PHP TSimpleJSONProtocol and TMultiplexedProtocol files included during "make install"

This closes #969
diff --git a/lib/php/Makefile.am b/lib/php/Makefile.am
index 866e053..8e62960 100755
--- a/lib/php/Makefile.am
+++ b/lib/php/Makefile.am
@@ -38,6 +38,8 @@
 endif
 
 phpdir = $(PHP_PREFIX)/Thrift
+php_DATA = \
+  lib/Thrift/TMultiplexedProcessor.php
 
 phpbasedir = $(phpdir)/Base
 phpbase_DATA = \
@@ -69,7 +71,10 @@
   lib/Thrift/Protocol/TBinaryProtocol.php \
   lib/Thrift/Protocol/TCompactProtocol.php \
   lib/Thrift/Protocol/TJSONProtocol.php \
-  lib/Thrift/Protocol/TProtocol.php
+  lib/Thrift/Protocol/TMultiplexedProtocol.php \
+  lib/Thrift/Protocol/TProtocol.php \
+  lib/Thrift/Protocol/TProtocolDecorator.php \
+  lib/Thrift/Protocol/TSimpleJSONProtocol.php
 
 phpprotocoljsondir = $(phpprotocoldir)/JSON
 phpprotocoljson_DATA = \
@@ -78,6 +83,14 @@
   lib/Thrift/Protocol/JSON/LookaheadReader.php \
   lib/Thrift/Protocol/JSON/PairContext.php
 
+phpprotocolsimplejsondir = $(phpprotocoldir)/SimpleJSON
+phpprotocolsimplejson_DATA = \
+  lib/Thrift/Protocol/SimpleJSON/CollectionMapKeyException.php \
+  lib/Thrift/Protocol/SimpleJSON/Context.php \
+  lib/Thrift/Protocol/SimpleJSON/ListContext.php \
+  lib/Thrift/Protocol/SimpleJSON/MapContext.php \
+  lib/Thrift/Protocol/SimpleJSON/StructContext.php
+
 phpserializerdir = $(phpdir)/Serializer
 phpserializer_DATA = \
   lib/Thrift/Serializer/TBinarySerializer.php