the initial sketch of the Coordinates plugin
First beta of the plugin:
- it can show equatorial coordinates of the mouse pointer for epoch
J2000.0;
- it can change size of font for string with coordinates;
- it can display coordinates at startup;
refactor code of the plugin
sync with trunk
added selector for place of displaying of the string with coordinates of the mouse pointer
added translation support for GUI of Pointer Coordinates pluign
sync with @trunk
fix potential bugs
Merge Pointer Coordinates Plugin (lp:~alexwolf/stellarium/coordinates-plugin)