simplified the project and project designer modules' layouts in preparation for better theming in v3.0+;
simplified the companies module layouts in preparation for better theming in v3.0+;
simplified the tasks module layouts in preparation for better theming in v3.0+;
simplified the admin modules layouts in preparation for better theming in v3.0+;
simplified the file module layouts in preparation for better theming in v3.0+;
simplified the calendar module layouts in preparation for better theming in v3.0+;
simplified the contacts module layouts in preparation for better theming in v3.0+;
simplified some addon module layouts in preparation for better theming in v3.0+;
tweak to make sure only integer durations are used on the gantt chart;
applied a check to kill off a php notice
still collecting deprecated classes to one place
making the unit test file/class names consistent;
found an issue where the start date was being used for both the start and end date instead of calculating a new end date as expected;
resolves http://bugs.web2project.net/view.php?id=1255;
wiring the missing id's so we don't accidentally lose them if we try to save multiple times;
restoring the styling of the original buttons
Merge remote-tracking branch 'original/master'

Conflicts:
	modules/calendar/addedit.php
Merge remote-tracking branch 'original/master'

Conflicts:
	modules/calendar/addedit.php