Convert LOG(INFO) to VLOG(1) - courgette/.

This eliminates the custom logging code as VLOG is per-module configurable.  I did preserve the distinct log level numbers in the VLOG statements.

BUG=none
TEST=none
Review URL: http://codereview.chromium.org/3904002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@63407 0039d316-1c4b-4281-b951-d872f2087c98

• courgette/adjustment_method.cc[diff]
• courgette/adjustment_method_2.cc[diff]
• courgette/assembly_program.cc[diff]
• courgette/disassembler.cc[diff]
• courgette/encoded_program.cc[diff]
• courgette/ensemble_create.cc[diff]
• courgette/simple_delta.cc[diff]
• courgette/third_party/bsdiff_create.cc[diff]