Various string issues

[Frenzie]

• KOReader version: current master
• Device: all

Issue

Identified thanks to Weblate.

Should use util.template.

koreader/frontend/apps/filemanager/filemanagersearch.lua

Lines 642 to 645 in adc625b

	local entry = _("Title: ") .. (self.data[i][self.title] or "-") .. "\n \n" ..
	_("Author(s):") .. " " .. (self.data[i][self.authors2] or "-") .. "\n \n" ..
	_("Tags:") .. " " .. (self.data[i][self.tags2] or "-") .. "\n \n" ..
	_("Series:") .. " " .. (self.data[i][self.series] or "-")

koreader/plugins/SSH.koplugin/main.lua

Lines 69 to 71 in adc625b

	text = string.format("%s %s \n %s",
	_("SSH port: "), self.SSH_port,
	Device.retrieveNetworkInfo and Device:retrieveNetworkInfo() or _("Could not retrieve network info.")),

koreader/plugins/coverbrowser.koplugin/main.lua

Line 108 in adc625b

current_state = _("(Classic mode) ") .. current_state

Trailing space

koreader/plugins/coverbrowser.koplugin/main.lua

Line 369 in adc625b

text = _("Series "),

(Not sure if this one is actually an issue, so I'll leave it be.)

koreader/plugins/evernote.koplugin/main.lua

Line 26 in adc625b

notemarks = _("Note: "),