Added support for images with uppercase file extensions in the image selector.
Merge pull request #266 from felixkosmalla/develop

Added support for images with uppercase file extensions in the image selector.
removed duplicate "firstLink" in BaseFuelController
added "off" method when detecting blockLoaded event for toggler field type to prevent additional calls
minor javascript documentation fix to add a period in JQX Module Initialization section
fixed comment for subfolder field in assets
removed duplicate full_tag_close for pagination in module controller
Changed Data_record::values() method to use getNumberOfRequiredParameters instead of getNumberOfParameters when looking at derived methods
Fixed issue when javascript wouldn't execute for custom form fields
Merge branch 'develop' of github.com:daylightstudio/FUEL-CMS into develop
fixed issue with geo_locate Google Helper not returning anything due to it having an https URL
Updated requirements to 5.2 due to using pathinfo function with PATHINFO_EXTENSION
fixed issue with repeatable fields and radio buttons not clearing their values
Fix for issues in #268 regarding required values that are floats
Fix for typo in tutorial documentation
Fix issue where the archivable dropdown would show up if previous archives were saved and that module parameter was set to FALSE
fix for issue #271 if all tables fields have an "_id" in their name
Added ability to pass in array to pluaralize function
updates to assets field type to auto update the image preview
Added {file} placeholder option for uploading a file and wanting it to swap in the uploaded file name