Changed project model to support default behavior for sprints weekend handling.
Added "ignoreWeekends" bit handling to project add / edit modals #10.
Changed sprint model to support weekend handling #10.
Added missing project form handling for ignoreWeekend bit #10.
Added "ignoreWeekends" bit handling to sprint add / edit modals #10.
Added base of new controller + model for sprint exclude day handling #10.
Implemented better error handling for socket errors.
Added needed policies for sprint exclude day controller #10.
Implemented sprint exclude day administrator GUI to sprint modal #10.
Small fix to chart styles.
Fixed sprint day duration calculation.
Changed Highcharts to Highstocks, this is needed for sprint burndown charts #10.
Implemented ignore weekends and sprint exclude days support to sprint burndown chart, solves #10.
Upgrade to 0.12.0 for #10.