Fix: replace createClass to be compatible with React 16

[philquinn]

Description

createClass has been deprecated and no longer exists in React 16. We want to upgrade to 16 but are blocked by this. I ran the codemod to replace createClass. Some had to be manually done.

Please check if the PR fulfills these requirements

• The commit message follows our guidelines: https://github.com/adazzle/react-data-grid/blob/master/CONTRIBUTING.md
• Tests for the changes have been added (for bug fixes / features) - N/A
• Docs have been added / updated (for bug fixes / features) -N/A

What kind of change does this PR introduce? (check one with "x")

[ ] Bugfix
[ ] Feature
[ ] Code style update (formatting, local variables)
[x] Refactoring (no functional changes, no api changes)
[ ] Build related changes
[ ] CI related changes
[ ] Other... Please describe:

What is the current behavior? (You can also link to an open issue here)

Uses deprecated createClass

What is the new behavior?

No longer uses createClass. Same behavior.

Does this PR introduce a breaking change? (check one with "x")

[ ] Yes
[x] No

If this PR contains a breaking change, please describe the impact and migration path for existing applications: ...

Other information:

[coveralls]

Changes Unknown when pulling 186c963 on philquinn:fix-create-class-for-react-16 into ** on adazzle:master**.

[philquinn]

@malonecj can you give this a look please?

[malonecj]

Great work. Thanks @philquinn

[philquinn]

@malonecj No problem. Thanks for merging

[PaulInglis]

Do we have any time frame for when this will make it into a release?

[wKovacs64]

@PaulInglis It's been live since 2.0.61.