Add pootle to Plot Activity

[Irodriguez]

Add pootle to Plot Activity
 http://git.sugarlabs.org/plot/plot-activity

[cjl]

Please consider changing these two strings (so that they match other strings already translated)

/home/tswast/Desktop/plot-trunk/gtkplotactivity.py:160
"Save.."

/home/tswast/Desktop/plot-trunk/gtkplotactivity.py:191
"Open.."

It is common to follow the words with either three dots ... or with a colon :

but using two dots is rare and looks like an error to translators.

[cjl]

Please correct spelling of "triangle"

/home/tswast/Desktop/plot-trunk/plotter/view/puzzletree/nodes/sine.py:14

Returns the ratio of the length of a side opposite an acute angle in a right trianale to the length of the hypotenuse.\n
For example, sin(pi / 4) = 1 / sqrt(2)

[cjl]

the POT generator script is throwing an error

####### Checking POT for Plot (master) ######

Already up-to-date.
xgettext: Non-ASCII string at cairoplot/init__.py:1.

Please specify the source encoding through --from-code or through a comment
as specified in  http://www.python.org/peps/pep-0263.html.

ERROR - xgettext failed with return code 1.