Limit the number of zim in multizim fulltext search.

We are currently limiting to 5 but it will be changed in next commit.

static/i18n/en.json

@@ -6,6 +6,7 @@
 	"name":"English",
 	"suggest-full-text-search" : "containing '{{{SEARCH_TERMS}}}'..."
 	, "no-such-book" : "No such book: {{BOOK_NAME}}"
+	, "too-many-books" : "Too many books requested ({{NB_BOOKS}}) where limit is {{LIMIT}}"
 	, "no-book-found" : "No book matches selection criteria"
 	, "url-not-found" : "The requested URL \"{{url}}\" was not found on this server."
 	, "suggest-search" : "Make a full text search for <a href=\"{{{SEARCH_URL}}}\">{{PATTERN}}</a>"

static/i18n/qqq.json

@@ -9,6 +9,7 @@
 	"name": "{{Doc-important|Don't write \"English\" in your language!}}\n\n'''Write the name of ''your'' language in its native script.'''\n\nCurrent language to which the string is being translated to.\n\nFor example, write \"français\" when translating to French, or \"Deutsch\" when translating to German.\n\n'''Important:''' Do not use your language’s word for “English”. Use the word that your language uses to refer to itself. If you translate this message to mean “English” in your language, your change will be reverted.",
 	"suggest-full-text-search": "Text appearing in the suggestion list that, when selected, runs a full text search instead of the title search",
 	"no-such-book": "Error text when the requested book is not found in the library",
+	"too-many-books":"Error text when user request more books than the limit set by the administrator",
 	"url-not-found": "Error text about wrong URL for an HTTP 404 error",
 	"no-book-found": "Error text when no book matches the selection criteria",
 	"suggest-search": "Suggest a search when the URL points to a non existing article",