Improvements Eclipse Installation

[sami wagiaalla]

> [...] One note, I don't like macros that span multiple scriptlets.
> Having a macro for each scriptlet (or forgoing a macro if the resulting code
> is simple enough) seems to be about the right level of indirection.
>

It does not look pretty I agree, but my motivation is to make things 
simple for plugin packagers. Also, it makes it simple to update the 
macro when bugs show up without having to update the packages with 
additional macros. They just get the update when they are rebuilt.

   Sami