Add Cython .cpp files to .gitignore

.gitignore

@@ -4,8 +4,18 @@
 *.log
 dist/
 html/
-pycbc_inspiralc
 build/
 *.pyc
 docs/Makefile
-PyCBC.egg-info
+PyCBC.egg-info/
+pycbc/events/eventmgr_cython.cpp
+pycbc/events/simd_threshold_cython.cpp
+pycbc/fft/fftw_pruned_cython.cpp
+pycbc/filter/matchedfilter_cpu.cpp
+pycbc/filter/simd_correlate_cython.cpp
+pycbc/inference/models/relbin_cpu.cpp
+pycbc/types/array_cpu.cpp
+pycbc/vetoes/chisq_cpu.cpp
+pycbc/waveform/decompress_cpu_cython.cpp
+pycbc/waveform/spa_tmplt_cpu.cpp
+pycbc/waveform/utils_cpu.cpp