qw/timer (#23)

* Rename logo and add 32x32 version

* Set timer icon if a timer is running

* Do not query activities on initialization

* Show timer in bubble if timed activity exists

* Pass timed activity to App

* Code cleanup

* Show timer view and stop timer

* Make hours optional

* Use booked seconds instead of hours

* Add type submit to form button

* Define colors as sass variables⎄

* Style timer view

* Show start timer submit label

* Update view layouts and content

* Update version and changelog

* Dyanically set iframe height

* Reduce h1 font size

* Add svg webpack loader

* Parse empty string (TimeInputParser)

* Forward ref in Popup component

* Start time on current day only, format buttons

* Improve styling

* Set standard height as iframe default height, validate form

* Upgrade packages to supress react warning

* Show activity form in popup after timer was stoped

* Use stop-watch icon in timer view

* Fix empty description

* Close TimerView if timer stopped for current service

* Style timerview

* Improve timer view styling

* qw/setting-time-tracking-hh-mm (#24)

* Format duration depending on settingTimeTrackingHHMM

* Fix formatDuation without second argument

* Fix time format after updating bubble

* Add tests for formatDuration

src/css/_button.scss

@@ -7,17 +7,21 @@ button.moco-bx-btn {
   white-space: nowrap;
   color: white;
   background-image: none;
-  background-color: #7dc332;
-  border-color: #7dc332;
+  background-color: $green;
+  border-color: $green;
   border-radius: 0;
   border-style: solid;
   box-shadow: none;
   font-size: 100%;
   cursor: pointer;
 
+  &:focus {
+    outline: none;
+  }
+
   &:hover:not(:disabled) {
-    background-color: #639a28;
-    border-color: #639a28;
+    background-color: $green-dark;
+    border-color: $green-dark;
   }
 
   &:disabled {