Fix the indent of some lines in .travis.yml file.
Fix the indent of some lines in .travis.yml file.

jondwillis/Swinject,Swinject/Swinject,jondwillis/Swinject,Swinject/Swinject,yoichitgy/Swinject,yoichitgy/Swinject,jondwillis/Swinject,Swinject/Swinject,Swinject/Swinject,yoichitgy/Swinject,jondwillis/Swinject,yoichitgy/Swinject