Merge changes from topic "chain-restaurants"
* changes:
Increase coverage of libcore-checkstyle.sh
Normalize whitespace in ASF header notices (12 / 12)
Normalize whitespace in ASF header notices (11 / 12)
Normalize whitespace in ASF header notices (10 / 12)
Normalize whitespace in ASF header notices (9 / 12)
Normalize whitespace in ASF header notices (8 / 12)
Normalize whitespace in ASF header notices (7 / 12)
Normalize whitespace in ASF header notices (6 / 12)
Normalize whitespace in ASF header notices (5 / 12)
Normalize whitespace in ASF header notices (4 / 12)
Normalize whitespace in ASF header notices (3 / 12)
Normalize whitespace in ASF header notices (2 / 12)
Normalize whitespace in ASF header notices (1 / 12)
Fix AOSP license cut-and-paste nits
Add checkstyle matcher for W3C copyright
Add a script to run checkstyle and use it in PREUPLOAD.cfg