initial commit of report generation DSL for SBT
Merge branch 'master' of https://github.com/qreal/qreal into sbt

Conflicts:
	qrgui/qrgui_ru.ts
	qrrepo/commonRepoApi.h
compilation errors fixed
moved NameNormalizer to qrutils
unfinished attempt to clean up a mess with pathes in editor generation (mainly #411).
Stub for metamodel for SBT reports editor
Small cleanup. More refactoring needed, as metaeditor generates one thing and builds other.
now it almost loads an editor
it is now possible to load generated plugin several times, if you don't touch palette combobox, lol.
fixed epic bug with palette reloading after generation of an editor
unfinished metamodel for reports generator
More complete metamodel, without "view" nodes and link properties
updated metamodel
add action "generate for sbt"
fix path
replace abstractGenerator
replace abstractGenerator
add DataObject generator
fix generation of DataObjects files
added something about sql editor