http_server followed by a trailing slash

File usage advice to use --http_server http://localhost/opencart (without trailing slash) and the CLI installer concatenate other directories without adding "/" before the concatenated directory thus saving wrong URLs in config files as eg.: http://localhost/opencartadmin
modules not to show if not products to display
Moved Function Tool/Captcha
fix for showing shipping address info
Change Google fonts link to support both http and https.
Fix for image manager issue caused by the new UTF8.php helper update.

Added check for length.
Removed unused strings in category controller and opencart.sql
Merge branch 'master' of git@github.com:opencart/opencart.git
Allow array to be written to log file.

Close: #1256
Merge branch 'master' of git@github.com:opencart/opencart.git
Merge pull request #1337 from hellaslubo/upstream

Change Google fonts link to support both http and https.
fix for new type of exploit that affects all nearly all php sites that have file upload ability.
Merge branch 'master' of https://github.com/opencart/opencart
Merge pull request #1333 from eka7a/master

Moved Function Tool/Captcha
make sure the uploaded file exists
Fixed character strlen for name, meta_title and model.
Merge branch 'master' of git@github.com:opencart/opencart.git
Fix smtp email sending bug.
Fixed report for coupons to search the history table instead for start/end filters
Merge pull request #1340 from hellaslubo/smtp-patch

Fix smtp email sending bug.