Rename to Nola

Summary:
Nola rename cont. pt. 2. Refs T77.

find lib -name "*.ex" -type f | xargs sed -i '' 's/LSG/Nola/g'

Nola rename, cont. pt. 3. Refs T77.

s/:lsg/:nola/g

Nola rename, cont. pt. 4. Refs T77.

Nola rename, cont. pt. 5. Refs T77. Configs.

find config -type f | xargs sed -i '' 's/LSG/Nola/g'
find config -type f | xargs sed -i '' 's/lsg/nola/g'

BREAKING CHANGE: Config keys switch from :lsg to :nola

Nola rename, the end. pt 6. Refs T77.

Nola rename: The Big Move, Refs T77

Update repo URL, refs T77.

Nola rename: Nola.Plugins, refs T77

Maniphest Tasks: T77

Differential Revision: https://phab.random.sh/D3