add .gitignore

.gitignore

@@ -0,0 +1,46 @@
+nohup.out
+*.[oa]
+*.ex
+*.ex.dSYM
+*.exe
+*.exe.dSYM
+*~
+build/
+tmp_build_dir/
+d/
+f/
+o/
+t/
+TAGS
+
+# latex
+*.aux
+*.log
+*.bbl
+*.toc
+*.dvi
+*-eps-converted-to.pdf
+
+# python
+*.pyc
+
+.nfs*
+
+# vi
+*.sw[a-z]
+
+# files generated by tutorials
+Amr/Advection_AmrLevel/Exec/SingleVortex/*.png
+Amr/Advection_AmrCore/Exec/SingleVortex/*.png
+EB/LevelSet/Exec/ImpFunc*
+EB/LevelSet/Exec/LevelSet*
+EB/Donut/Exec/ls_plt*
+*.vth
+*.vti
+*.vtr
+*.vtp
+*.pvtp
+*.pvd
+*.visit
+*.pvsm
+