Rename variables in Google Analytics script

`i` `s` `o` `g` `r` `a` `m` -> `A` `n` `g` `u` `l` `a` `r`

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https://github.com/shinnn/isogram
Merge pull request #927 from shinnn/ga

Rename variables in Google Analytics script
chore(docs): update readme with --appPath option usage example

Adds example use of --appPath option when running generator
Completes documentation section about application output path
configuration
Merge pull request #929 from peterblazejewicz/docs/app-path-update

update readme with --appPath.
fix(gen:route): fix usage/options
Merge pull request #930 from dnozay/trivial-usage-fix

fix(gen:route): fix usage/options