update .gitignore

.gitignore

@@ -1,23 +1,23 @@
-# Built application files
-*.apk
-*.ap_
+# Object files
+*.o
+*.ko
+*.obj
+*.elf
 
-# Files for the Dalvik VM
-*.dex
+# Libraries
+*.lib
+*.a
 
-# Java class files
-*.class
+# Shared objects (inc. Windows DLLs)
+*.dll
+*.so
+*.so.*
+*.dylib
 
-# Generated files
-bin/
-gen/
-
-# Gradle files
-.gradle/
-build/
-
-# Local configuration file (sdk path, etc)
-local.properties
-
-# Proguard folder generated by Eclipse
-proguard/
+# Executables
+*.exe
+*.out
+*.app
+*.i*86
+*.x86_64
+*.hex