Drop PCRE dependency.

The config file is now manually parsed instead of using regex.
While this is less beautifull, it allows us to drop PCRE
as a dependency on Windows.

CMakeLists.txt

@@ -112,15 +112,6 @@ IF(NOT WIN32)
   INSTALL(FILES ${CMAKE_CURRENT_BINARY_DIR}/libnfc.pc DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
 ENDIF(NOT WIN32)
 
-# Require PCRE for Win32
-IF (WIN32)
-  FIND_PACKAGE(PCRE REQUIRED)
-  IF(PCRE_INCLUDE_DIRS)
-    INCLUDE_DIRECTORIES(${PCRE_INCLUDE_DIRS})
-    LINK_DIRECTORIES(${PCRE_LIBRARY_DIRS})
-  ENDIF(PCRE_INCLUDE_DIRS)
-ENDIF(WIN32)
-
 INCLUDE(LibnfcDrivers)
 
 IF(PCSC_INCLUDE_DIRS)