Issue #76 - Add parallel execution support

Fixed an issue in the Travis build

Author: ppodgorsek

.travis.yml

@@ -6,24 +6,24 @@ services:
 script: docker build -t docker-robot-framework:travis . \
   && docker run --shm-size=1g -v `pwd`/test:/opt/robotframework/tests:Z -e BROWSER=chrome docker-robot-framework:travis \
   && docker run --shm-size=1g -v `pwd`/test:/opt/robotframework/tests:Z -e BROWSER=firefox docker-robot-framework:travis \
-\
+  \
   && docker run --shm-size=1g -v `pwd`/test:/opt/robotframework/tests:Z -e BROWSER=chrome -e SCREEN_COLOUR_DEPTH=8 docker-robot-framework:travis \
   && docker run --shm-size=1g -v `pwd`/test:/opt/robotframework/tests:Z -e BROWSER=firefox -e SCREEN_COLOUR_DEPTH=8 docker-robot-framework:travis \
-\
+  \
   && docker run --shm-size=1g -v `pwd`/test:/opt/robotframework/tests:Z -e BROWSER=chrome -e SCREEN_WIDTH=800 -e SCREEN_HEIGHT=600 docker-robot-framework:travis \
   && docker run --shm-size=1g -v `pwd`/test:/opt/robotframework/tests:Z -e BROWSER=chrome -e SCREEN_WIDTH=1024 -e SCREEN_HEIGHT=768 docker-robot-framework:travis \
   && docker run --shm-size=1g -v `pwd`/test:/opt/robotframework/tests:Z -e BROWSER=chrome -e SCREEN_WIDTH=1280 -e SCREEN_HEIGHT=1024 docker-robot-framework:travis \
   && docker run --shm-size=1g -v `pwd`/test:/opt/robotframework/tests:Z -e BROWSER=chrome -e SCREEN_WIDTH=2560 -e SCREEN_HEIGHT=1440 docker-robot-framework:travis \
   && docker run --shm-size=1g -v `pwd`/test:/opt/robotframework/tests:Z -e BROWSER=chrome -e SCREEN_WIDTH=3840 -e SCREEN_HEIGHT=2160 docker-robot-framework:travis \
-\
+  \
   && docker run --shm-size=1g -v `pwd`/test:/opt/robotframework/tests:Z -e BROWSER=firefox -e SCREEN_WIDTH=800 -e SCREEN_HEIGHT=600 docker-robot-framework:travis \
   && docker run --shm-size=1g -v `pwd`/test:/opt/robotframework/tests:Z -e BROWSER=firefox -e SCREEN_WIDTH=1024 -e SCREEN_HEIGHT=768 docker-robot-framework:travis \
   && docker run --shm-size=1g -v `pwd`/test:/opt/robotframework/tests:Z -e BROWSER=firefox -e SCREEN_WIDTH=1280 -e SCREEN_HEIGHT=1024 docker-robot-framework:travis \
   && docker run --shm-size=1g -v `pwd`/test:/opt/robotframework/tests:Z -e BROWSER=firefox -e SCREEN_WIDTH=2560 -e SCREEN_HEIGHT=1440 docker-robot-framework:travis \
   && docker run --shm-size=1g -v `pwd`/test:/opt/robotframework/tests:Z -e BROWSER=firefox -e SCREEN_WIDTH=3840 -e SCREEN_HEIGHT=2160 docker-robot-framework:travis \
-\
+  \
   && docker run --shm-size=1g -v `pwd`/test:/opt/robotframework/tests:Z -e BROWSER=chrome -e ROBOT_OPTIONS="--loglevel DEBUG" docker-robot-framework:travis \
   && docker run --shm-size=1g -v `pwd`/test:/opt/robotframework/tests:Z -e BROWSER=firefox -e ROBOT_OPTIONS="--loglevel DEBUG" docker-robot-framework:travis \
-\
+  \
   && docker run --shm-size=1g -v `pwd`/test:/opt/robotframework/tests:Z -e BROWSER=chrome -e ROBOT_THREADS=4 docker-robot-framework:travis \
   && docker run --shm-size=1g -v `pwd`/test:/opt/robotframework/tests:Z -e BROWSER=firefox -e ROBOT_THREADS=4 docker-robot-framework:travis