Escape common HTML characters

However, there is an option for not escaping interpolation by suffixing
with the variable name with HTML like this:

    "key": "this will not escape __nameHTML___"
Add config var for escaping interpolation
Add one more spec to add clarity of purpose
release 1.6.1
prepared next version number for prerelease
added resources needed on server tests
fixed typo in notFound
added test for missed codeblock
fixed a bunch of issues with sendMissing
updated bower version
fixed fallback loop usage
fixes issue with fallbackLng = false in combination with sendMissingTo = fallback
fixes issue where key or defaultValue aren not postProcessed with itself as value
added test for sendMissingTo current
fixes issue where plural dont get translated if language is passed in t options
option to parse key if missing
Merge remote-tracking branch 'origin/master'
new pre release version
released version 1.6.3
run tests under ie8