Merge pull request #231 from jeff1evesque/php_logic_loader

#229: PHP: Detect HTML5 'datalist' support
#230: html_form.js, change svm variables to 'svm_model_type'
#230: html_form.js, rename 'svm_analysis_indep' -> 'svm_indep_variable'
#230: html_form.js, rename 'svm_training_dep' -> 'svm_dep_variable'
#230: html_form.js, rename 'svm_training_indep' -> 'svm_indep_variable'
#230: html_form.js, rename id 'svm_training_indep' -> 'svm_indep_variable'
#230: html_form.js, rename id 'svm_training_dep' -> 'svm_dep_variable'
#230: html_form.js, rename id 'svm_training_indep' -> 'svm_indep_variable'
#230: html_form.js, rename class 'svm_training_dep_*' -> 'svm_dep_variable_*'
#230: html_form.js, rename class 'svm_training_indep_*' -> 'svm_indep_variable_*'
#230: html_form.js, rename class 'svm_analysis_indep_*' -> 'svm_indep_variable_*'
Merge pull request #233 from jeff1evesque/js_html_form

#230: Rename html form fields in 'html_form.js'
#234: form_svm.css, update 'form_svm.css'
Merge pull request #235 from jeff1evesque/css_form_svm

#234: form_svm.css, update 'form_svm.css'
#232: logic_loader.php, rename corresponding form fields