#246: fixing the order of the log entires in the tree model

Change-Id: I0e1537edb8dac91fd8096c7f0b5a946fc70745d6
#246 allow setting search string for the log table view and research
despite the string not changing

Change-Id: Ib95aa8ebf9f9babe884514bbbd25451f82ad9568
#246 add the create log entry to the toolbar

Change-Id: Ib773bd8167800eaeafd543b44028a0a0f528e6b7
#246 adding pagination to logEntryTree and fixing the ordering for dates

Change-Id: I68910284d835af4ea4073dff4046c508fbc74e87
#246 add pagination support to logTableView and fix the ordering of log
entries

Change-Id: Ic4df6bc07caea56e0b685bf139317b9d66ef4481
#246 setting the default sort order based on create date

Change-Id: I571653e8be66d9ae8deb37ed6946e49ad7cd1616
Merge branch 'logbook' of https://github.com/ControlSystemStudio/cs-studio into logbook
task #246: Shift service, fix time search