[#957] Add support to edit task details
[#886] Use java script based calendar for task creating and updating
No   needed
space + fix HTML
Let us alternate colors with CSS 3
Add <label>s
Translate message; less strings
missing echo
html_image: width and height are integers, not strings
more HTML helpers & remove PHP_SELF
util_make_link() needs an echo
type="number"
no need & since we use html_e now
Add default value 'array()' for footer functions
pm: fix startdate for reporting coherent timetracking
Translate ':'
Do not use void function result
Ident
No arguments for report_day_adjust_box
Translate ":"