[TASK] Prepare next release

Change-Id: Ide8af007e9dac1b23f58323b4ed46b2bdb3171fe
[TASK] Update extension description

Change-Id: I038b46ec30381b0d7e4db12837ee7d85599193d4
[FEATURE] Display in EM what PHP extension is available

Change-Id: I5c88eea95b6689d893a457f63783bb3db8f0ae86
Releases: 2.1
Resolves: #62199
Reviewed-on: http://review.typo3.org/33295
Reviewed-by: Fabien Udriot <fabien.udriot@ecodev.ch>
Tested-by: Fabien Udriot <fabien.udriot@ecodev.ch>
[BUGFIX] Fix Unicode conversion

Change-Id: I312f05ef12669030456be749206c4bd9075dbc38
Releases: 2.1
Resolves: #62202
Reviewed-on: http://review.typo3.org/33298
Reviewed-by: Fabien Udriot <fabien.udriot@ecodev.ch>
Tested-by: Fabien Udriot <fabien.udriot@ecodev.ch>
[BUGFIX] Fix Composer autoload for ZendPdf

And cleanup some PHP comments.

Change-Id: Ica57717c5752b9671c6eafe3a372f3c370ec1560
Releases: 2.1
Resolves: #62203
Reviewed-on: http://review.typo3.org/33299
Reviewed-by: Fabien Udriot <fabien.udriot@ecodev.ch>
Tested-by: Fabien Udriot <fabien.udriot@ecodev.ch>