gitignore 추가.

Signed-off-by: LeeJeongHo <ljh721635@huray.net>
Merge branch 'master' of https://github.com/LeeJeongHo/curay_jeongho

Conflicts:
	.settings/org.eclipse.core.resources.prefs
	gen/android/support/v7/appcompat/R.java
	gen/com/echo/holographlibrary/R.java
	gen/com/example/graphtest/R.java
	lib_proj/HoloGraphLibrary/bin/holographlibrary.jar

Signed-off-by: LeeJeongHo <ljh721635@huray.net>