Sort the .gitignore file too

.gitignore

-*~
-*.swp
 *.swo
+*.swp
+*~
 .installed.cfg
 bin/
 bob.docs.egg-info/
 develop-eggs/
 doc/bob.ap/
 doc/bob.bio.base/
+doc/bob.bio.caffe_face
 doc/bob.bio.face/
 doc/bob.bio.gmm/
 doc/bob.bio.spear/
@@ -27,28 +28,37 @@ doc/bob.db.biosecure/
 doc/bob.db.biosecurid.face/
 doc/bob.db.casme2/
 doc/bob.db.caspeal/
+doc/bob.db.cbsr_nir_vis_2
 doc/bob.db.cohface/
 doc/bob.db.cuhk_cufs/
+doc/bob.db.cuhk_cufsf
 doc/bob.db.frgc/
 doc/bob.db.fv3d/
 doc/bob.db.gbu/
 doc/bob.db.hci_tagging/
+doc/bob.db.hkpu
+doc/bob.db.hmtvein
 doc/bob.db.ijba/
+doc/bob.db.ijbc
 doc/bob.db.iris/
 doc/bob.db.kboc16/
 doc/bob.db.lfw/
 doc/bob.db.livdet2013/
+doc/bob.db.mmcbnu6k
 doc/bob.db.mnist/
 doc/bob.db.mobio/
 doc/bob.db.msu_mfsd_mod/
 doc/bob.db.multipie/
 doc/bob.db.nist_sre12/
+doc/bob.db.nivl
 doc/bob.db.oulunpu/
 doc/bob.db.pericrosseye/
+doc/bob.db.pola_thermal
 doc/bob.db.putvein/
 doc/bob.db.replay/
 doc/bob.db.replaymobile/
 doc/bob.db.scface/
+doc/bob.db.thufvdt
 doc/bob.db.utfvp/
 doc/bob.db.uvad/
 doc/bob.db.verafinger/
@@ -64,6 +74,7 @@ doc/bob.io.image/
 doc/bob.io.matlab/
 doc/bob.io.video/
 doc/bob.ip.base/
+doc/bob.ip.caffe_extractor
 doc/bob.ip.color/
 doc/bob.ip.dlib/
 doc/bob.ip.draw/
@@ -71,10 +82,12 @@ doc/bob.ip.facedetect/
 doc/bob.ip.facelandmarks/
 doc/bob.ip.flandmark/
 doc/bob.ip.gabor/
+doc/bob.ip.mtcnn
 doc/bob.ip.optflow.hornschunck/
 doc/bob.ip.optflow.liu/
 doc/bob.ip.qualitymeasure/
 doc/bob.ip.skincolorfilter/
+doc/bob.ip.tensorflow_extractor
 doc/bob.learn.activation/
 doc/bob.learn.boosting/
 doc/bob.learn.em/
@@ -87,6 +100,7 @@ doc/bob.pad.base/
 doc/bob.pad.face/
 doc/bob.pad.vein/
 doc/bob.pad.voice/
+doc/bob.rppg.base
 doc/bob.sp/
 doc/bob/
 doc/extra-intersphinx.txt
@@ -94,17 +108,3 @@ doc/gridtk/
 doc/nitpick-exceptions.txt
 eggs/
 sphinx/
-doc/bob.ip.mtcnn
-doc/bob.db.ijbc
-doc/bob.db.hkpu
-doc/bob.db.thufvdt
-doc/bob.db.mmcbnu6k
-doc/bob.db.hmtvein
-doc/bob.rppg.base
-doc/bob.db.cbsr_nir_vis_2
-doc/bob.db.nivl
-doc/bob.db.pola_thermal
-doc/bob.db.cuhk_cufsf
-doc/bob.ip.tensorflow_extractor
-doc/bob.ip.caffe_extractor
-doc/bob.bio.caffe_face