Load translations from configured data path
Improved performance
Close panels with menu or Escape key
Bug #208 llvm/​clang compile error
Cleaned up code
Prefixed ++/-- operators for non-primitive types

Pre-increment/decrement can be more efficient than post-increment/decrement. Post-increment/decrement usually involves keeping a copy of the previous value around and adds a little extra code.
Bug #207 Cannot Change Text Size
Initialized constant objects explicitly (But #208)

From 8.5.9 of the C++ 2003 standard:

If no initializer is specified for an object, and the object is of (possibly cv-qualified) non-POD class type (or array thereof), the object shall be default-initialized; if the object is of const-qualified type, the underlying class type shall have a user-declared default constructor. Otherwise, if no initializer is specified for a nonstatic object, the object and its subobjects, if any, have an indeterminate initial value); if the object or any of its subobjects are of const-qualified type, the program is ill-formed.