Update README.md

Removed semicolon from 'salesCustomerInfo' directive where chaining appears to stop at the 'sharedSpinner' directive in the 'avoid' code section and added semicolon to the 'orderCalendarRange' directive in the 'recommended' code section of the Directives.
Merge pull request #29 from bbyrdsong/master

Update README.md
Spelling correction
Merge pull request #30 from malucky/patch-1

Spelling correction
Fixed grammatical error, added change justification
Merge pull request #31 from RichardLitt/patch-1

Fixed grammatical error, added change justification
naming conventions
alternate short controller naming convention
alternate short controller naming convention - added comment
controller PascalCasing
comment fixes
app structure - modules
moved new naming to the right place
added layout structure
added folder by feature and by type structures
fixed notes
added alternate valid file names for module and config
typos
ordering the folder in the structure section
comments for not recommending folder by type