Merge pull request #3 from bmad-sim/better_gitignore

Add functional gitignore for external_deps and compilation files

.gitignore

@@ -1,19 +1,40 @@
 *~
-./PGPLOT 
-./fftw 
-./fgsl 
-./gsl 
-./hdf5 
-./lapack 
-./lapack95 
-./open_spacecharge 
-./openmpi 
-./plplot 
-./xraylib
-./gnu_utilities_src
-./packages
-production
-debug
+PGPLOT/*
+fftw/*
+fftw/*
+fgsl/*
+gsl/*
+hdf5/* 
+lapack/* 
+lapack95/* 
+open_spacecharge/*
+openmpi/*
+plplot/*
+xraylib/*
+gnu_utilities_src/*
+packages/*
+production/*
+bmad/production/*
+bsim/production/*
+code_examples/production/*
+cpp_bmad_interface/production/*
+forest/production/*
+lux/production/*
+regression_tests/production/*
+sim_utils/production/*
+tao/production/*
+util_programs/production/*
+debug/*
+bmad/debug/*
+bsim/debug/*
+code_examples/debug/*
+cpp_bmad_interface/debug/*
+forest/debug/*
+lux/debug/*
+regression_tests/debug/*
+sim_utils/debug/*
+tao/debug/*
+util_programs/productdebugion/*
 bmad-doc/tutorial_bmad_tao/doc/2www.pl
 bmad-doc/tutorial_bmad_tao/doc/tutorial_bmad_tao.aux
 bmad-doc/tutorial_bmad_tao/doc/tutorial_bmad_tao.bbl