added man page and Changelog files

Changelog.md

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+# Changelog
+
+## 2014-05-03 0.1.4
+* added man page and Changelog files
+* typo fix
+* added the AUR package to README.md
+
+## 2014-04-26 0.1.3
+* updated the version
+* added desktop file
+* added new icons
+
+## 2014-04-26 0.1.2
+* fixed a locale display bug
+
+## 2014-04-26 0.1.1
+* added language setting, version variable etc.
+* line break in README.md
+* updated README.md
+
+## 2014-04-22 0.1.0
+* embeded Droid Sans Fallback font
+* save label setting
+* added more variants of 2048 and selection of them
+* improved the out of focus issue
+* specified font family and figured out an translation file issue
+* added Settings function. The best score is saved on disk
+* added Chinese translation and the adding score animation
+* added fluid animation
+* added application icon and menubar
+* added binary file on 64-bit Linux
+* setup the Github repo
+* Initial commit
+* handle window resize
+* simplified the UI structure
+* integrated Qml within C++

man/2048-qt.6

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+.TH 2048-QT 6 2014-05-03
+.SH NAME
+2048-qt \- the 2048 number game implemented in Qt
+.SH SYNOPSIS
+.B 2048-qt
+.SH DESCRIPTION
+Move the number tiles using arrow keys and merge the same numbers. Once a 2048 tile is achieved, you win.
+.SH OPTIONS
+2048-QT is configured graphically and does not have any commandline options.
+.SH FILES
+~/.config/xiaoyong/2048-Qt.conf
+.RS
+Per user configuration file.
+.RE
+.SH BUGS
+If you find a bug, please notify the author.
+.SH AUTHOR
+Qiaoyong Zhong <solary.sh@gmail.com>