Update CMakeLists to avoid breaking compatibility with python 2

CMakeLists.txt

@@ -65,7 +65,7 @@ IF(NOT CLIENT_ONLY)
 
   SET(BOOST_COMPONENTS system thread regex)
   SEARCH_FOR_BOOST ()
-  FINDPYTHON(3 REQUIRED)
+  FINDPYTHON()
 
   SET(CMAKE_INCLUDE_CURRENT_DIR ON)
   IF(USE_QT4)

src/CMakeLists.txt

@@ -20,9 +20,6 @@ SET(IDL_SOURCES
   graphical-interface
   )
 
-# search for python
-FINDPYTHON(2.7 EXACT REQUIRED)
-
 OMNIIDL_INCLUDE_DIRECTORIES(${CMAKE_SOURCE_DIR}/idl)
 INCLUDE_DIRECTORIES(${CMAKE_BINARY_DIR}/src)