Add latex folder to .gitignore file

.gitignore

@@ -16,5 +16,9 @@ build
 # Programmer's Notepad state file
 *.pnps
 
-# Generated doxygen HTML documentation
+# Generated doxygen documentation
 /doc
+/latex
+
+# Temporary file
+*.tmp

.travis.yml

@@ -29,8 +29,8 @@ script:
   - (cd GRRLIB && sudo -E make clean all install)
   - (cd examples && make)
   - (cd GRRLIB && sudo -E make PLATFORM=cube clean all)
-  - doxygen grrlib.doxygen
-  - (cd latex && make)
+  - doxygen grrlib.doxygen >/dev/null
+  - make --directory=latex >/dev/null
 
 before_deploy:
   - touch doc/.nojekyll

grrlib.doxygen

@@ -58,7 +58,7 @@ PROJECT_LOGO           =
 # entered, it will be relative to the location where doxygen was started. If
 # left blank the current directory will be used.
 
-OUTPUT_DIRECTORY       = .
+OUTPUT_DIRECTORY       = 
 
 # If the CREATE_SUBDIRS tag is set to YES then doxygen will create 4096 sub-
 # directories (in 2 levels) under the output directory of each output format and