Merge pull request #9 from imkven/master

Translate to Chinese Simplified and Traditional
Translates Core modules
Update readme.es.md
Merge pull request #10 from chesstrian/master

Small advance
Merge pull request #12 from imkven/master

Translate chapter "Core Module" to Chinese Simplified and Traditional
edits
small addition to the events section
add how to find modules section
update table of contents
add require explanation
tweak module section
update images
update images again
add note about default js extension loading
Minor typo fix.
Merge pull request #14 from tomayac/patch-1

Minor typo fix.
creating a new module
clarifications
formatting
Fixes some typos