Merge remote-tracking branch 'origin/master'

# Conflicts:
#	structure_threader/plotter/structplot.py

Author: ODiogoSilva

.gitignore

@@ -56,3 +56,6 @@ target/
 # Eric6 project
 *.e4p
 .eric*
+
+# Dolphin breadcrumbs
+*.directory

.travis.yml

@@ -15,3 +15,9 @@ script:
   - tests/structure_field_test.sh
   - tests/fastStructure_field_test.sh
   - tests/maverick_field_test.sh
+
+# Other stuff
+notifications:
+  email:
+    - [email protected]
+    - [email protected]