Redesigning UI.
Merge branch 'HEAD' of https://github.com/wpatrik14/ICTDroidLab.git

Conflicts:
	core/src/hu/edudroid/module/ModuleLoader.java
Added docs.
Merge branch 'HEAD' of https://github.com/wpatrik14/ICTDroidLab.git
Merge branch 'HEAD' of https://github.com/wpatrik14/ICTDroidLab.git
Added new UI, modules now loaded based on descriptors.
Modified gitignore to fit new structure.
Minor adjustments to module loading.
Merge branch 'HEAD' of https://github.com/wpatrik14/ICTDroidLab.git

Conflicts:
	core/res/layout/activity_main.xml
	core/res/values/strings.xml
	core/src/hu/edudroid/ict/CoreService.java
	core/src/hu/edudroid/ict/ui/PluginListActivity.java
	core/src/hu/edudroid/module/AssetReader.java
	core/src/hu/edudroid/module/ModuleLoader.java
	modules/SampleModule/src/hu/edudroid/ict/sample_project/ModulExample.java
	plugins/ICTDroidLabWifiPlugin/src/hu/edudroid/ictpluginwifi/WiFiPluginPingService.java
Fixed semantic errors.
Merge branch 'HEAD' of https://github.com/wpatrik14/ICTDroidLab.git