Web search plugins split

the plugins websearch and moreserach were separated in separate
plugins, to make it easier to adapt each plugin for each type of
search, simplify the search for problems or conflicts, it is cleaner
and gives each user the ability to chose what search it prefferes.

also there will be only one imdb search, after comparing the files
there were no need for 2

moresearch.bundle and webserach.bundle were deleted.
Shop plugin split

Split of the Shopping plugin to the different e-commerce sites for the
same reasons of the split of the websearch and more search plugins
Merge pull request #150 from lipe1966/master

Web search plugins split