deleted helper from calendar

deleted helper from calendar
deleted unnecessary code

deleted unnecessary code
Fixed functionality of up/down keys in select.
Update styles in select.
Added function that finds first parent by css selector.
Added function that finds first parent by css selector.
Some code refactoring in select.
Added template to documentation.
added binary tree search
fixed bts search
added bts using example
Merge branch 'master' of https://github.com/neformal13/TeamvoyFrontend
Added generate template function.
Added filter for template.
Fixed demo styles.
Added new ico