chore(readme): update npm cmd
chore(gulp): update devDeps
fix(select): allow empty placeholder
feat(parseOptions): provide source index param (fixes #972)
fix(debounce): use $timeout for deferring tasks
fix(timepicker): cannot enter valid value by keyboard - 1061
chore(format): proper spacing
feat(timepicker): added iconUp & iconDown as valid options of timepicker
fix(timepicker): ignore switch meridian when time value is not defined
fix(affix): apply original element CSS position after calculations