Improved Dutch translation

Courtesy Eddy Witkamp <eddywitkamp@gmail.com>
Fix Perms && Make JNI manditory module for AndroidTerm
Merge pull request #352 from sudosurootdev/kk44

Fix Perms: remove unnecessary executable permissions.
[Translations] Add Serbian
Remove gen directory before building.

Should always have been done, just didn't notice until now.
Add "Seashore" graphic file for "Feature Graphic" image.
Change name of program to "Terminal Emulator for Android"
Update application name in docs and strings.
Updated Slovak translation
Merge pull request #359 from pylerSM/patch-10

Updated Slovak translation
Merge pull request #358 from pejakm/srtr

[Translations] Add Serbian