bolt strength
angle equal leg

--HG--
rename : structures/src/main/resources/dictionary/section_ibeam_pl.properties => structures/src/main/resources/dictionary/AngleSteelSection_pl.properties
rename : structures/src/main/resources/dictionary/section_ibeam.properties => structures/src/main/resources/dictionary/IBeamSteelSection.properties
rename : structures/src/main/resources/dictionary/section_ibeam_pl.properties => structures/src/main/resources/dictionary/IBeamSteelSection_pl.properties
rename : structures/src/main/scala/org/encalmo/structures/eurocode/steel/IBeamSteelSection.scala => structures/src/main/scala/org/encalmo/structures/eurocode/steel/AngleSteelSection.scala