Add CHANGELOG to the project

This commit also update detiq-t submodule to the last commit

CHANGELOG.md

+# CHANGELOG
+
+### 2014-11-13
+- Negative values are allowed in custom quantifications
+
+### 2014-11-05
+- Whole project is now configured with CMake
+- Qt library updated to major version 5
\ No newline at end of file

detiq-t @ ed39ad56

-Subproject commit 0fdd85b45c54e2a455513756225bd8b9c62930f6
+Subproject commit ed39ad564f594537a4ac98624fbd629659c6ef03