0.3.0

### Features
- Applications search
- Now when you right-click a selected application you can:
    - retrieve its information
    - retrieve its commit history
    - downgrade
    - install and uninstall it
- "About" window available when right-clicking the tray icon.

### Improvements
- Performance and memory usage
- Adding tooltips to toolbar buttons
- "Update ?" column renamed to "Upgrade ?"
- Management panel title renamed
- Showing runtime apps when no app is available
- Allowing to specify a custom app translation with the environment variable **FPAKMAN_LOCALE**
- Adding expiration time for cached app data. Default to 1 hour. The environment variable **FPAKMAN_CACHE_EXPIRATION** can change this value.
- Now the application accepts arguments related to environment variables as well. Check 'README.md'.
- Minor GUI improvements
- Notifying only new updates
- New icon
- Progress bar

fpakman/view/qt/info.py

@@ -0,0 +1,39 @@
+from PyQt5.QtGui import QIcon
+from PyQt5.QtWidgets import QDialog, QVBoxLayout, QFormLayout, QGroupBox, \
+    QLineEdit, QLabel, QPlainTextEdit
+
+
+class InfoDialog(QDialog):
+
+    def __init__(self, app: dict, app_icon: QIcon, locale_keys: dict):
+        super(InfoDialog, self).__init__()
+        self.setWindowTitle(app['name'])
+        self.setWindowIcon(app_icon)
+        layout = QVBoxLayout()
+        self.setLayout(layout)
+
+        gbox_info_layout = QFormLayout()
+        gbox_info = QGroupBox()
+        gbox_info.setLayout(gbox_info_layout)
+        layout.addWidget(gbox_info)
+
+        for attr in sorted(app.keys()):
+
+            if attr != 'name' and app[attr]:
+                if attr == 'description':
+                    text = QPlainTextEdit()
+                    text.appendHtml(app[attr])
+                else:
+                    text = QLineEdit()
+                    text.setText(app[attr])
+                    text.setCursorPosition(0)
+                    text.setStyleSheet("width: 400px")
+
+                text.setReadOnly(True)
+
+                label = QLabel("{}: ".format(locale_keys.get('flatpak.info.' + attr, attr)).capitalize())
+                label.setStyleSheet("font-weight: bold")
+
+                gbox_info_layout.addRow(label, text)
+
+        self.adjustSize()