Code ported to Qt5.
Changes on ui-style.conf due to new Qt5 style.

Fixed BaseObject name validation and formatting methods.

Fixed DatabaseModel object find by name method.
Minor fixes on ModelObjectsWidget
Fixed task progress exhibition on quick tasks.
Class MessageBox renamed to Messagbox due to conflicts realtive to
native MessageBox[W] class on Windows api.
Relationships now supports patterns to define generated objects names
(issue #85, #229). The manual suffix and auto-suffix generation are
deprecated.
Minor fix on relationship validation method.

Added the missing directive CONFIG+=console on main-cli.pro (issue #227)
Finished column/constraint moving feature.
Added special primary keys support to one-to-one and one-to-many
relationships.
Fixed build params for Windows system.
Partial fix for issue #234. Check constraint aren't copied yet.
Added support to smallserial datatype. (issue #235)
Fixed plugins build script on Linux.

Minor fix on ModelWidget when adding constraints to relationship.
Fixed plugins build script on Linux.

Minor fix on ModelWidget when adding constraints to relationship.

Minor improvements on save / retore constraint indexes on relationship.
Merge branch 'qt5-port' of https://github.com/pgmodeler/pgmodeler into qt5-port
Fixed plugins build script on Windows.
Basic C++11 porting. Code will be gradually be moved to new standard.

Build scripts changed due to C++11

Minor bug fix on model validation widget.
Fixed a bug on editing numeric data types.
Improvements on model validation tool. pgModeler will not save the model
while model is completely validated.
Updates on CHANGELOG.md and README.md

Minor fixes on ui-style.conf