Fix some typos
Update World method for Testing purposes
Merge branch 'pointvectors' into testing
Merge into testing
Cleanup from merge, incorporate static observations, obstacle layer tests
More tests
More modular code
More modularization
All the inflation tests
Fixed bug in line_iterator_test with EXPECT_EQ(false)
costmap_2d: moved inline function body into .h file to fix linker error
Fixed inflation test in costmap_2d and moved testing_helper.h into test dir.