[wip/girara] Upgrade to version 0.1.5

Changes since 0.1.4:

- Use locale independent strtod
- Additional functions for girara_lists
- Default focues on view
- Allow " style comments
[wip/zathura] Upgrade to version 0.2.2

Changes since 0.2.1:

- Implemented jumplist (^o, ^i)
- Update current page when following links
- Scroll horizontally with shift and mouse wheel
- Page aware scrolling
- Synctex forward synchronisation
- Update shortcuts
- Some other bug fixes and updated translations
[wip/zathura-poppler] Upgrade to 0.2.2

No functional changes