JIRAPLUGIN-23 bug fixed. 1.3 version.
In "Edit" mode if there was an invalid save action, the plugin changed
to "Add worklog" mode, now it stays in "Edit".
Added table row coloring in edit mode.
Merge pull request #43 from daniel-zsigus/v1.x

JIRAPLUGIN-23 bug fixed. 1.3 version.