BK-166 Write all changes since 1.5.1 to CHANGES.txt file.
BK-166 Write all changes since 1.5.1 to CHANGES.txt file.

aerkalov/Booktype,eos87/Booktype,btat/Booktype,eos87/Booktype,eos87/Booktype,btat/Booktype,btat/Booktype,MiczFlor/Booktype,eos87/Booktype,eos87/Booktype,kronoscode/Booktype,danielhjames/Booktype,okffi/booktype,MiczFlor/Booktype,olegpshenichniy/Booktype,ride90/Booktype,MiczFlor/Booktype,ride90/Booktype,MiczFlor/Booktype,rob-hills/Booktype,sourcefabric/Booktype,danielhjames/Booktype,rob-hills/Booktype,olegpshenichniy/Booktype,aerkalov/Booktype,danielhjames/Booktype,rob-hills/Booktype,okffi/booktype,danielhjames/Booktype,sourcefabric/Booktype,kronoscode/Booktype,kronoscode/Booktype,olegpshenichniy/Booktype,olegpshenichniy/Booktype,aerkalov/Booktype,kronoscode/Booktype,ride90/Booktype,olegpshenichniy/Booktype,sourcefabric/Booktype,btat/Booktype,sourcefabric/Booktype,rob-hills/Booktype,sourcefabric/Booktype,okffi/booktype,okffi/booktype,ride90/Booktype,okffi/booktype,MiczFlor/Booktype,ride90/Booktype,kronoscode/Booktype,danielhjames/Booktype