Small cleanup of .gitignore and add a Mac OS X specific ignore

.gitignore

@@ -1,30 +1,19 @@
-#
-# Ignore the autogenerated makefile from qmake as this should be generated on the build machine.
-#
-Makefile
+src/paycoind
+src/test_paycoin
 
-#
-# Igonre QT creator generate files
-#
-paycoin.pro.user
-#
-# Ignore build dir as well.
-#
+# Ignore build dir
 build/
 
-#
-# Ignore binaries
-#
+# Compilation and Qt preprocessor part
+*.qm
+Makefile
 paycoin-qt
-src/paycoind
-src/test_paycoin
 
-#
-# Ignore generated resources
-#
-qrc_bitcoin.cpp
+# Resources cpp
+qrc_*.cpp
+
+# Qt creator
+*.pro.user
 
-#
-# Ignore generated locale files
-#
-src/qt/locale/*.qm
+# Mac specific
+.DS_Store