Helper: trMonth (without a year)
CSS top_nav fix
Helpers: trMonth fix
Timeline availability fix

Conflicts:
	app/System/Presenters/HomepagePresenter.php
Texyla files attachment (ALPHA)

Conflicts:
	app/System/Templates/@layout.latte
	app/Tickets/Presenters/TicketPresenter.php
	www/texyla/languages/cs.js
	www/texyla/languages/en.js
Added Markdown submodule, added Georgia font for mPDF

Conflicts:
	.gitmodules
	libs/mPDF/config_fonts.php
mPDF update

Conflicts:
	app/System/Reporting/PdfRenderer.php
	libs/mPDF/classes/barcode.php
	libs/mPDF/classes/indic.php
	libs/mPDF/classes/svg.php
	libs/mPDF/classes/ttfontsuni.php
	libs/mPDF/includes/out.php
	libs/mPDF/mpdf.php
Gridito primary key model fix
Tools: bootstrap
Gridito: Export to Excel CSV
Gridito: Export to Excel CSV fix
Config: languages minor fix
Improved reporting + SVG logo support
System: preklad

Conflicts:
	app/System/Translations/cs.mo
	app/System/Translations/cs.po
Some Gridito styling
GitHub: fixed problem with low privileged users
Ticket fix
Gridito: filtering support
Timeline: user privilege support improvement
Reporting: mPdf page properties fix