Changelog:
============
* Avoid FP overflow in NormEvidenceOf
* Small build fixes and code improvements
* Fix setup of datadir on installations with Conda
* Fix FP exception in Wordrec::angle_change
* Build fixes, code refactoring and other smaller changes.
* Fix grey result of indexed PNG in pdfrenderer.
* Rename frk -> deu_latf (ISO 639-3, ISO 15924).
* Remove broken Dockerfile.
* Fixes for several issues reported by Coverity Scan.
* Remove unsupported OpenCL code and related API functions
* Facilitate vectorization for generic build
* Add PAGE XML renderer / export
* Support training without lstmf files.
* Improve CCUtil::main_setup (fixes issue #4230 related to Coda).
* Allow for text angle/gradient to be retrieved
Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
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