Added option to minimize window when copying data to clipboard

https://github.com/keepassx/keepassx/pull/24
EditEntryWidget: move the URL field beneath the password.
Fix tab focus order in ui files.
Focus entryView when pressing enter in the search field.
ignore build dir
Make sure icon() and iconPixmap() never crash.
Remember the dir when opening/saving attachments.
Document clone() methods.
Add flags to Entry::clone() for customized cloning.
Allow passing entry cloning flags to Group::clone().
Add Group::exportToDb().
Merge branch 'master' of github.com:nohn/keepassx into master

https://github.com/keepassx/keepassx/pull/29
Use QString::toLatin1() rather than ::toAscii()

The toAscii (and fromAscii) are removed from Qt5 in favor of Latin1.
Enable the foritfy source build flag only for optimized builds.

https://github.com/keepassx/keepassx/pull/27
Set default build type to RelWithDebInfo.
Save password generator settings

Remember the used values for the password generator and restore them the
next time the user opens the generation dialog.
Merge branch 'staging'
Drop OS specific instructions from INSTALL file.

Moved to https://www.keepassx.org/dev/projects/keepassx/wiki/Install_instructions
Fix compatibility with Qt < 4.7.
Merge pull request #2 from keepassx/master

merge from mainstream