Fixing #420 where lock and manifest have moved to TOML

[elfgoh]

golang/dep#342

What did you implement:

Closes #420

How did you implement it:

• Used toml to convert json to toml
• Lint using tomll
• Refer to sample toml to correct errors

How can we verify it:

Run make install

Todos:

You don't have to satisfy all of the following.

• Write tests
• Write documentation
• Check that there aren't other open pull requests for the same issue/feature
• Format your source code by make fmt
• Pass the test by make test
• Provide verification config / commands
• Enable "Allow edits from maintainers" for this PR
• Update the messages below

Is this ready for review?: YES
Is it a breaking change?: YES

[kotakanbe]

Many Thanks :)