draft of REP 143
add abi_incompatibility_assumed flag to release build file
remove reference to old email address
remove build files from REP 143
add compatibility considerations
feedback
add note about bloom compatibility
fix spelling
update references
clarify overlay
clarify how bloom interacts with multiple distribution files
add tags to distribution files
add reference to bloom patch
Merge pull request #87 from ros-infrastructure/rep143

draft of REP 143