updated the positioning of the text on the tasks in timeline so that the...

I updated the positioning of the text on the tasks in timeline so that the task content (i.e. text, links, member circles and handoff/collaboration buttons) are no longer over the right/left edge of the task blocks. When reviewing, just make sure the text on the task blocks on timeline look ok. All I did was change the x_offsets for the title text, duration, upload link, member circles and handoff/collaboration buttons.

Should look like this (not how nothing is over the right/left edge anymore): 

![image](https://cloud.githubusercontent.com/assets/5275384/5111432/49639bd2-6fd5-11e4-8baa-78178cde39b9.png)