perlcritic, perltidy comments added, fix bug in subs folding

1. support for highlight PerlCritic comment, such as:
    \## use critic 
    \## no critic
    \## no critic  qw(....)
    \## no critic ()

2. Highlight PerlTidy comments: #<<<, #>>>

3. Fixed several bugs in anonymous subs folding, when sub was folded incorrectly if contains comments with "}". Now works as it should.

4. New keywords, fs and evalbytes added;